18729474

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 20012286

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 239, 353, 478, 706, 717, 1059, 1434, 2118, 8843, 13061, 17686, 26122, 26529, 39183, 53058, 78366, 84367, 168734, 253101, 506202, 3121579, 6243158, 9364737, 18729474]

約数ペア:

[(1, 18729474), (2, 9364737), (3, 6243158), (6, 3121579), (37, 506202), (74, 253101), (111, 168734), (222, 84367), (239, 78366), (353, 53058), (478, 39183), (706, 26529), (717, 26122), (1059, 17686), (1434, 13061), (2118, 8843)]