18675860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 51710400

約数和(自身を除く): 33034540

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 49, 59, 68, 70, 76, 85, 95, 98, 118, 119, 133, 140, 170, 190, 196, 236, 238, 245, 266, 295, 323, 340, 380, 413, 476, 490, 532, 590, 595, 646, 665, 826, 833, 931, 980, 1003, 1121, 1180, 1190, 1292, 1330, 1615, 1652, 1666, 1862, 2006, 2065, 2242, 2261, 2380, 2660, 2891, 3230, 3332, 3724, 4012, 4130, 4165, 4484, 4522, 4655, 5015, 5605, 5782, 6460, 7021, 7847, 8260, 8330, 9044, 9310, 10030, 11210, 11305, 11564, 14042, 14455, 15694, 15827, 16660, 18620, 19057, 20060, 22420, 22610, 28084, 28910, 31388, 31654, 35105, 38114, 39235, 45220, 49147, 54929, 57820, 63308, 70210, 76228, 78470, 79135, 95285, 98294, 109858, 133399, 140420, 156940, 158270, 190570, 196588, 219716, 245735, 266798, 274645, 316540, 381140, 491470, 533596, 549290, 666995, 933793, 982940, 1098580, 1333990, 1867586, 2667980, 3735172, 4668965, 9337930, 18675860]

約数ペア:

[(1, 18675860), (2, 9337930), (4, 4668965), (5, 3735172), (7, 2667980), (10, 1867586), (14, 1333990), (17, 1098580), (19, 982940), (20, 933793), (28, 666995), (34, 549290), (35, 533596), (38, 491470), (49, 381140), (59, 316540), (68, 274645), (70, 266798), (76, 245735), (85, 219716), (95, 196588), (98, 190570), (118, 158270), (119, 156940), (133, 140420), (140, 133399), (170, 109858), (190, 98294), (196, 95285), (236, 79135), (238, 78470), (245, 76228), (266, 70210), (295, 63308), (323, 57820), (340, 54929), (380, 49147), (413, 45220), (476, 39235), (490, 38114), (532, 35105), (590, 31654), (595, 31388), (646, 28910), (665, 28084), (826, 22610), (833, 22420), (931, 20060), (980, 19057), (1003, 18620), (1121, 16660), (1180, 15827), (1190, 15694), (1292, 14455), (1330, 14042), (1615, 11564), (1652, 11305), (1666, 11210), (1862, 10030), (2006, 9310), (2065, 9044), (2242, 8330), (2261, 8260), (2380, 7847), (2660, 7021), (2891, 6460), (3230, 5782), (3332, 5605), (3724, 5015), (4012, 4655), (4130, 4522), (4165, 4484)]