18996472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4073}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 20602808

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4073, 4664, 8146, 16292, 32584, 44803, 89606, 179212, 215869, 358424, 431738, 863476, 1726952, 2374559, 4749118, 9498236, 18996472]

約数ペア:

[(1, 18996472), (2, 9498236), (4, 4749118), (8, 2374559), (11, 1726952), (22, 863476), (44, 431738), (53, 358424), (88, 215869), (106, 179212), (212, 89606), (424, 44803), (583, 32584), (1166, 16292), (2332, 8146), (4073, 4664)]