18789390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 52902720

約数和(自身を除く): 34113330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 29, 30, 45, 46, 58, 69, 87, 90, 115, 138, 145, 174, 207, 230, 261, 290, 313, 345, 414, 435, 522, 626, 667, 690, 870, 939, 1035, 1305, 1334, 1565, 1878, 2001, 2070, 2610, 2817, 3130, 3335, 4002, 4695, 5634, 6003, 6670, 7199, 9077, 9390, 10005, 12006, 14085, 14398, 18154, 20010, 21597, 27231, 28170, 30015, 35995, 43194, 45385, 54462, 60030, 64791, 71990, 81693, 90770, 107985, 129582, 136155, 163386, 208771, 215970, 272310, 323955, 408465, 417542, 626313, 647910, 816930, 1043855, 1252626, 1878939, 2087710, 3131565, 3757878, 6263130, 9394695, 18789390]

約数ペア:

[(1, 18789390), (2, 9394695), (3, 6263130), (5, 3757878), (6, 3131565), (9, 2087710), (10, 1878939), (15, 1252626), (18, 1043855), (23, 816930), (29, 647910), (30, 626313), (45, 417542), (46, 408465), (58, 323955), (69, 272310), (87, 215970), (90, 208771), (115, 163386), (138, 136155), (145, 129582), (174, 107985), (207, 90770), (230, 81693), (261, 71990), (290, 64791), (313, 60030), (345, 54462), (414, 45385), (435, 43194), (522, 35995), (626, 30015), (667, 28170), (690, 27231), (870, 21597), (939, 20010), (1035, 18154), (1305, 14398), (1334, 14085), (1565, 12006), (1878, 10005), (2001, 9390), (2070, 9077), (2610, 7199), (2817, 6670), (3130, 6003), (3335, 5634), (4002, 4695)]