18372880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2767}}^1$

素因数の和:2863

約数の個数: 40

約数和(自身を含む): 43247232

約数和(自身を除く): 24874352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2767, 3320, 5534, 6640, 11068, 13835, 22136, 27670, 44272, 55340, 110680, 221360, 229661, 459322, 918644, 1148305, 1837288, 2296610, 3674576, 4593220, 9186440, 18372880]

約数ペア:

[(1, 18372880), (2, 9186440), (4, 4593220), (5, 3674576), (8, 2296610), (10, 1837288), (16, 1148305), (20, 918644), (40, 459322), (80, 229661), (83, 221360), (166, 110680), (332, 55340), (415, 44272), (664, 27670), (830, 22136), (1328, 13835), (1660, 11068), (2767, 6640), (3320, 5534)]