18420376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4787}}^1$

素因数の和:4843

約数の個数: 32

約数和(自身を含む): 38208240

約数和(自身を除く): 19787864

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 4787, 9574, 19148, 38296, 62231, 124462, 177119, 248924, 354238, 497848, 708476, 1416952, 2302547, 4605094, 9210188, 18420376]

約数ペア:

[(1, 18420376), (2, 9210188), (4, 4605094), (8, 2302547), (13, 1416952), (26, 708476), (37, 497848), (52, 354238), (74, 248924), (104, 177119), (148, 124462), (296, 62231), (481, 38296), (962, 19148), (1924, 9574), (3848, 4787)]