18448875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 35887488

約数和(自身を除く): 17438613

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 115, 125, 155, 207, 225, 279, 345, 375, 465, 529, 575, 713, 775, 1035, 1125, 1395, 1587, 1725, 2139, 2325, 2645, 2875, 3565, 3875, 4761, 5175, 6417, 6975, 7935, 8625, 10695, 11625, 13225, 16399, 17825, 23805, 25875, 32085, 34875, 39675, 49197, 53475, 66125, 81995, 89125, 119025, 147591, 160425, 198375, 245985, 267375, 409975, 595125, 737955, 802125, 1229925, 2049875, 3689775, 6149625, 18448875]

約数ペア:

[(1, 18448875), (3, 6149625), (5, 3689775), (9, 2049875), (15, 1229925), (23, 802125), (25, 737955), (31, 595125), (45, 409975), (69, 267375), (75, 245985), (93, 198375), (115, 160425), (125, 147591), (155, 119025), (207, 89125), (225, 81995), (279, 66125), (345, 53475), (375, 49197), (465, 39675), (529, 34875), (575, 32085), (713, 25875), (775, 23805), (1035, 17825), (1125, 16399), (1395, 13225), (1587, 11625), (1725, 10695), (2139, 8625), (2325, 7935), (2645, 6975), (2875, 6417), (3565, 5175), (3875, 4761)]