18083890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 35976960

約数和(自身を除く): 17893070

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2081, 4162, 4345, 8690, 10405, 20810, 22891, 45782, 114455, 164399, 228910, 328798, 821995, 1643990, 1808389, 3616778, 9041945, 18083890]

約数ペア:

[(1, 18083890), (2, 9041945), (5, 3616778), (10, 1808389), (11, 1643990), (22, 821995), (55, 328798), (79, 228910), (110, 164399), (158, 114455), (395, 45782), (790, 22891), (869, 20810), (1738, 10405), (2081, 8690), (4162, 4345)]