20180628726

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1\times {\mathrm{6287}}^1$

素因数の和:7109

約数の個数: 64

約数和(自身を含む): 43698078720

約数和(自身を除く): 23517449994

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 703, 761, 1406, 1522, 2109, 2283, 4218, 4566, 6287, 12574, 14459, 18861, 28157, 28918, 37722, 43377, 56314, 84471, 86754, 119453, 168942, 232619, 238906, 358359, 465238, 534983, 697857, 716718, 1069966, 1395714, 1604949, 3209898, 4419761, 4784407, 8839522, 9568814, 13259283, 14353221, 26518566, 28706442, 90903733, 177023059, 181807466, 272711199, 354046118, 531069177, 545422398, 1062138354, 3363438121, 6726876242, 10090314363, 20180628726]

約数ペア:

[(1, 20180628726), (2, 10090314363), (3, 6726876242), (6, 3363438121), (19, 1062138354), (37, 545422398), (38, 531069177), (57, 354046118), (74, 272711199), (111, 181807466), (114, 177023059), (222, 90903733), (703, 28706442), (761, 26518566), (1406, 14353221), (1522, 13259283), (2109, 9568814), (2283, 8839522), (4218, 4784407), (4566, 4419761), (6287, 3209898), (12574, 1604949), (14459, 1395714), (18861, 1069966), (28157, 716718), (28918, 697857), (37722, 534983), (43377, 465238), (56314, 358359), (84471, 238906), (86754, 232619), (119453, 168942)]