18213974775

素因数分解:

$3^2\times 5^2\times {\mathrm{3571}}^1\times {\mathrm{22669}}^1$

素因数の和:26256

約数の個数: 36

約数和(自身を含む): 32633827720

約数和(自身を除く): 14419852945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 3571, 10713, 17855, 22669, 32139, 53565, 68007, 89275, 113345, 160695, 204021, 267825, 340035, 566725, 803475, 1020105, 1700175, 5100525, 80950999, 242852997, 404754995, 728558991, 1214264985, 2023774975, 3642794955, 6071324925, 18213974775]

約数ペア:

[(1, 18213974775), (3, 6071324925), (5, 3642794955), (9, 2023774975), (15, 1214264985), (25, 728558991), (45, 404754995), (75, 242852997), (225, 80950999), (3571, 5100525), (10713, 1700175), (17855, 1020105), (22669, 803475), (32139, 566725), (53565, 340035), (68007, 267825), (89275, 204021), (113345, 160695)]