18993260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 48686400

約数和(自身を除く): 29693140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 229, 260, 286, 290, 319, 377, 458, 572, 580, 638, 715, 754, 916, 1145, 1276, 1430, 1508, 1595, 1885, 2290, 2519, 2860, 2977, 3190, 3770, 4147, 4580, 5038, 5954, 6380, 6641, 7540, 8294, 10076, 11908, 12595, 13282, 14885, 16588, 20735, 25190, 26564, 29770, 32747, 33205, 41470, 50380, 59540, 65494, 66410, 73051, 82940, 86333, 130988, 132820, 146102, 163735, 172666, 292204, 327470, 345332, 365255, 431665, 654940, 730510, 863330, 949663, 1461020, 1726660, 1899326, 3798652, 4748315, 9496630, 18993260]

約数ペア:

[(1, 18993260), (2, 9496630), (4, 4748315), (5, 3798652), (10, 1899326), (11, 1726660), (13, 1461020), (20, 949663), (22, 863330), (26, 730510), (29, 654940), (44, 431665), (52, 365255), (55, 345332), (58, 327470), (65, 292204), (110, 172666), (116, 163735), (130, 146102), (143, 132820), (145, 130988), (220, 86333), (229, 82940), (260, 73051), (286, 66410), (290, 65494), (319, 59540), (377, 50380), (458, 41470), (572, 33205), (580, 32747), (638, 29770), (715, 26564), (754, 25190), (916, 20735), (1145, 16588), (1276, 14885), (1430, 13282), (1508, 12595), (1595, 11908), (1885, 10076), (2290, 8294), (2519, 7540), (2860, 6641), (2977, 6380), (3190, 5954), (3770, 5038), (4147, 4580)]