18977640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1343

約数の個数: 96

約数和(自身を含む): 62627040

約数和(自身を除く): 43649400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1307, 1320, 1452, 1815, 2420, 2614, 2904, 3630, 3921, 4840, 5228, 6535, 7260, 7842, 10456, 13070, 14377, 14520, 15684, 19605, 26140, 28754, 31368, 39210, 43131, 52280, 57508, 71885, 78420, 86262, 115016, 143770, 156840, 158147, 172524, 215655, 287540, 316294, 345048, 431310, 474441, 575080, 632588, 790735, 862620, 948882, 1265176, 1581470, 1725240, 1897764, 2372205, 3162940, 3795528, 4744410, 6325880, 9488820, 18977640]

約数ペア:

[(1, 18977640), (2, 9488820), (3, 6325880), (4, 4744410), (5, 3795528), (6, 3162940), (8, 2372205), (10, 1897764), (11, 1725240), (12, 1581470), (15, 1265176), (20, 948882), (22, 862620), (24, 790735), (30, 632588), (33, 575080), (40, 474441), (44, 431310), (55, 345048), (60, 316294), (66, 287540), (88, 215655), (110, 172524), (120, 158147), (121, 156840), (132, 143770), (165, 115016), (220, 86262), (242, 78420), (264, 71885), (330, 57508), (363, 52280), (440, 43131), (484, 39210), (605, 31368), (660, 28754), (726, 26140), (968, 19605), (1210, 15684), (1307, 14520), (1320, 14377), (1452, 13070), (1815, 10456), (2420, 7842), (2614, 7260), (2904, 6535), (3630, 5228), (3921, 4840)]