18921000945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2060

約数の個数: 192

約数和(自身を含む): 41587789824

約数和(自身を除く): 22666788879

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 23, 33, 35, 55, 57, 69, 77, 95, 105, 115, 133, 161, 165, 209, 231, 253, 285, 345, 361, 385, 399, 437, 483, 627, 665, 759, 805, 1045, 1083, 1155, 1265, 1311, 1463, 1771, 1805, 1973, 1995, 2185, 2415, 2527, 3059, 3135, 3795, 3971, 4389, 4807, 5313, 5415, 5919, 6555, 7315, 7581, 8303, 8855, 9177, 9865, 11913, 12635, 13811, 14421, 15295, 19855, 21703, 21945, 24035, 24909, 26565, 27797, 29595, 33649, 37487, 37905, 41433, 41515, 45379, 45885, 58121, 59565, 65109, 69055, 72105, 83391, 91333, 100947, 108515, 112461, 124545, 136137, 138985, 151921, 168245, 174363, 187435, 207165, 226895, 262409, 273999, 290605, 317653, 325545, 412357, 416955, 455763, 456665, 499169, 504735, 562305, 639331, 680685, 712253, 759605, 787227, 862201, 871815, 952959, 1237071, 1312045, 1369995, 1497507, 1588265, 1917993, 2061785, 2136759, 2278815, 2495845, 2586603, 2886499, 3196655, 3494183, 3561265, 3936135, 4311005, 4764795, 4985771, 6035407, 6185355, 7487535, 7834783, 8659497, 9484211, 9589965, 10482549, 10683795, 12933015, 14432495, 14957313, 16381819, 17470915, 18106221, 23504349, 24928855, 28452633, 30177035, 39173915, 43297485, 47421055, 49145457, 52412745, 54843481, 66389477, 74786565, 81909095, 90531105, 114672733, 117521745, 142263165, 164530443, 180200009, 199168431, 245727285, 274217405, 331947385, 344018199, 540600027, 573363665, 822652215, 901000045, 995842155, 1261400063, 1720090995, 2703000135, 3784200189, 6307000315, 18921000945]

約数ペア:

[(1, 18921000945), (3, 6307000315), (5, 3784200189), (7, 2703000135), (11, 1720090995), (15, 1261400063), (19, 995842155), (21, 901000045), (23, 822652215), (33, 573363665), (35, 540600027), (55, 344018199), (57, 331947385), (69, 274217405), (77, 245727285), (95, 199168431), (105, 180200009), (115, 164530443), (133, 142263165), (161, 117521745), (165, 114672733), (209, 90531105), (231, 81909095), (253, 74786565), (285, 66389477), (345, 54843481), (361, 52412745), (385, 49145457), (399, 47421055), (437, 43297485), (483, 39173915), (627, 30177035), (665, 28452633), (759, 24928855), (805, 23504349), (1045, 18106221), (1083, 17470915), (1155, 16381819), (1265, 14957313), (1311, 14432495), (1463, 12933015), (1771, 10683795), (1805, 10482549), (1973, 9589965), (1995, 9484211), (2185, 8659497), (2415, 7834783), (2527, 7487535), (3059, 6185355), (3135, 6035407), (3795, 4985771), (3971, 4764795), (4389, 4311005), (4807, 3936135), (5313, 3561265), (5415, 3494183), (5919, 3196655), (6555, 2886499), (7315, 2586603), (7581, 2495845), (8303, 2278815), (8855, 2136759), (9177, 2061785), (9865, 1917993), (11913, 1588265), (12635, 1497507), (13811, 1369995), (14421, 1312045), (15295, 1237071), (19855, 952959), (21703, 871815), (21945, 862201), (24035, 787227), (24909, 759605), (26565, 712253), (27797, 680685), (29595, 639331), (33649, 562305), (37487, 504735), (37905, 499169), (41433, 456665), (41515, 455763), (45379, 416955), (45885, 412357), (58121, 325545), (59565, 317653), (65109, 290605), (69055, 273999), (72105, 262409), (83391, 226895), (91333, 207165), (100947, 187435), (108515, 174363), (112461, 168245), (124545, 151921), (136137, 138985)]