18980108

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8167}}^1$

素因数の和:8261

約数の個数: 24

約数和(自身を含む): 38422272

約数和(自身を除く): 19442164

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8167, 16334, 32668, 57169, 114338, 228676, 677861, 1355722, 2711444, 4745027, 9490054, 18980108]

約数ペア:

[(1, 18980108), (2, 9490054), (4, 4745027), (7, 2711444), (14, 1355722), (28, 677861), (83, 228676), (166, 114338), (332, 57169), (581, 32668), (1162, 16334), (2324, 8167)]