18684414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 46526688

約数和(自身を除く): 27842274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 577, 771, 1154, 1542, 1731, 1799, 2313, 3462, 3598, 4039, 4626, 5193, 5397, 8078, 10386, 10794, 12117, 16191, 24234, 32382, 36351, 72702, 148289, 296578, 444867, 889734, 1038023, 1334601, 2076046, 2669202, 3114069, 6228138, 9342207, 18684414]

約数ペア:

[(1, 18684414), (2, 9342207), (3, 6228138), (6, 3114069), (7, 2669202), (9, 2076046), (14, 1334601), (18, 1038023), (21, 889734), (42, 444867), (63, 296578), (126, 148289), (257, 72702), (514, 36351), (577, 32382), (771, 24234), (1154, 16191), (1542, 12117), (1731, 10794), (1799, 10386), (2313, 8078), (3462, 5397), (3598, 5193), (4039, 4626)]