18137336

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 39123840

約数和(自身を除く): 20986504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 1987, 2282, 3974, 4564, 7948, 9128, 13909, 15896, 27818, 55636, 111272, 323881, 647762, 1295524, 2267167, 2591048, 4534334, 9068668, 18137336]

約数ペア:

[(1, 18137336), (2, 9068668), (4, 4534334), (7, 2591048), (8, 2267167), (14, 1295524), (28, 647762), (56, 323881), (163, 111272), (326, 55636), (652, 27818), (1141, 15896), (1304, 13909), (1987, 9128), (2282, 7948), (3974, 4564)]