18156768208

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{6961951}}^1$

素因数の和:6962122

約数の個数: 20

約数和(自身を含む): 35394563968

約数和(自身を除く): 17237795760

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 6961951, 13923902, 27847804, 55695608, 111391216, 1134798013, 2269596026, 4539192052, 9078384104, 18156768208]

約数ペア:

[(1, 18156768208), (2, 9078384104), (4, 4539192052), (8, 2269596026), (16, 1134798013), (163, 111391216), (326, 55695608), (652, 27847804), (1304, 13923902), (2608, 6961951)]