18686816

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{14243}}^1$

素因数の和:14294

約数の個数: 24

約数和(自身を含む): 37689624

約数和(自身を除く): 19002808

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 14243, 28486, 56972, 113944, 227888, 455776, 583963, 1167926, 2335852, 4671704, 9343408, 18686816]

約数ペア:

[(1, 18686816), (2, 9343408), (4, 4671704), (8, 2335852), (16, 1167926), (32, 583963), (41, 455776), (82, 227888), (164, 113944), (328, 56972), (656, 28486), (1312, 14243)]