18764320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5099}}^1$

素因数の和:5137

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 27502880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5099, 10198, 20396, 25495, 40792, 50990, 81584, 101980, 117277, 163168, 203960, 234554, 407920, 469108, 586385, 815840, 938216, 1172770, 1876432, 2345540, 3752864, 4691080, 9382160, 18764320]

約数ペア:

[(1, 18764320), (2, 9382160), (4, 4691080), (5, 3752864), (8, 2345540), (10, 1876432), (16, 1172770), (20, 938216), (23, 815840), (32, 586385), (40, 469108), (46, 407920), (80, 234554), (92, 203960), (115, 163168), (160, 117277), (184, 101980), (230, 81584), (368, 50990), (460, 40792), (736, 25495), (920, 20396), (1840, 10198), (3680, 5099)]