18987530

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16471030

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 470, 569, 710, 1138, 2845, 3337, 5690, 6674, 16685, 26743, 33370, 40399, 53486, 80798, 133715, 201995, 267430, 403990, 1898753, 3797506, 9493765, 18987530]

約数ペア:

[(1, 18987530), (2, 9493765), (5, 3797506), (10, 1898753), (47, 403990), (71, 267430), (94, 201995), (142, 133715), (235, 80798), (355, 53486), (470, 40399), (569, 33370), (710, 26743), (1138, 16685), (2845, 6674), (3337, 5690)]