19802895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1249}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 36480000

約数和(自身を除く): 16677105

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 1249, 2265, 3171, 3747, 5285, 6245, 8743, 15855, 18735, 26229, 43715, 131145, 188599, 565797, 942995, 1320193, 2828985, 3960579, 6600965, 19802895]

約数ペア:

[(1, 19802895), (3, 6600965), (5, 3960579), (7, 2828985), (15, 1320193), (21, 942995), (35, 565797), (105, 188599), (151, 131145), (453, 43715), (755, 26229), (1057, 18735), (1249, 15855), (2265, 8743), (3171, 6245), (3747, 5285)]