19898340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 51709980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 59, 60, 66, 70, 73, 77, 84, 105, 110, 118, 132, 140, 146, 154, 165, 177, 210, 219, 220, 231, 236, 292, 295, 308, 330, 354, 365, 385, 413, 420, 438, 462, 511, 590, 649, 660, 708, 730, 770, 803, 826, 876, 885, 924, 1022, 1095, 1155, 1180, 1239, 1298, 1460, 1533, 1540, 1606, 1652, 1770, 1947, 2044, 2065, 2190, 2310, 2409, 2478, 2555, 2596, 3066, 3212, 3245, 3540, 3894, 4015, 4130, 4307, 4380, 4543, 4620, 4818, 4956, 5110, 5621, 6132, 6195, 6490, 7665, 7788, 8030, 8260, 8614, 9086, 9636, 9735, 10220, 11242, 12045, 12390, 12921, 12980, 13629, 15330, 16060, 16863, 17228, 18172, 19470, 21535, 22484, 22715, 24090, 24780, 25842, 27258, 28105, 30149, 30660, 33726, 38940, 43070, 45430, 47377, 48180, 51684, 54516, 56210, 60298, 64605, 67452, 68145, 84315, 86140, 90447, 90860, 94754, 112420, 120596, 129210, 136290, 142131, 150745, 168630, 180894, 189508, 236885, 258420, 272580, 284262, 301490, 331639, 337260, 361788, 452235, 473770, 568524, 602980, 663278, 710655, 904470, 947540, 994917, 1326556, 1421310, 1658195, 1808940, 1989834, 2842620, 3316390, 3979668, 4974585, 6632780, 9949170, 19898340]

約数ペア:

[(1, 19898340), (2, 9949170), (3, 6632780), (4, 4974585), (5, 3979668), (6, 3316390), (7, 2842620), (10, 1989834), (11, 1808940), (12, 1658195), (14, 1421310), (15, 1326556), (20, 994917), (21, 947540), (22, 904470), (28, 710655), (30, 663278), (33, 602980), (35, 568524), (42, 473770), (44, 452235), (55, 361788), (59, 337260), (60, 331639), (66, 301490), (70, 284262), (73, 272580), (77, 258420), (84, 236885), (105, 189508), (110, 180894), (118, 168630), (132, 150745), (140, 142131), (146, 136290), (154, 129210), (165, 120596), (177, 112420), (210, 94754), (219, 90860), (220, 90447), (231, 86140), (236, 84315), (292, 68145), (295, 67452), (308, 64605), (330, 60298), (354, 56210), (365, 54516), (385, 51684), (413, 48180), (420, 47377), (438, 45430), (462, 43070), (511, 38940), (590, 33726), (649, 30660), (660, 30149), (708, 28105), (730, 27258), (770, 25842), (803, 24780), (826, 24090), (876, 22715), (885, 22484), (924, 21535), (1022, 19470), (1095, 18172), (1155, 17228), (1180, 16863), (1239, 16060), (1298, 15330), (1460, 13629), (1533, 12980), (1540, 12921), (1606, 12390), (1652, 12045), (1770, 11242), (1947, 10220), (2044, 9735), (2065, 9636), (2190, 9086), (2310, 8614), (2409, 8260), (2478, 8030), (2555, 7788), (2596, 7665), (3066, 6490), (3212, 6195), (3245, 6132), (3540, 5621), (3894, 5110), (4015, 4956), (4130, 4818), (4307, 4620), (4380, 4543)]