18918802

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2806

約数の個数: 24

約数和(自身を含む): 33488640

約数和(自身を除く): 14569838

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 2719, 3479, 5438, 6958, 19033, 38066, 133231, 193049, 266462, 386098, 1351343, 2702686, 9459401, 18918802]

約数ペア:

[(1, 18918802), (2, 9459401), (7, 2702686), (14, 1351343), (49, 386098), (71, 266462), (98, 193049), (142, 133231), (497, 38066), (994, 19033), (2719, 6958), (3479, 5438)]