18783642

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 38862144

約数和(自身を除く): 20078502

約数列:

[1, 2, 3, 6, 37, 74, 111, 211, 222, 401, 422, 633, 802, 1203, 1266, 2406, 7807, 14837, 15614, 23421, 29674, 44511, 46842, 84611, 89022, 169222, 253833, 507666, 3130607, 6261214, 9391821, 18783642]

約数ペア:

[(1, 18783642), (2, 9391821), (3, 6261214), (6, 3130607), (37, 507666), (74, 253833), (111, 169222), (211, 89022), (222, 84611), (401, 46842), (422, 44511), (633, 29674), (802, 23421), (1203, 15614), (1266, 14837), (2406, 7807)]