18952120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2308

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30036680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2267, 4180, 4534, 8360, 9068, 11335, 18136, 22670, 24937, 43073, 45340, 49874, 86146, 90680, 99748, 124685, 172292, 199496, 215365, 249370, 344584, 430730, 473803, 498740, 861460, 947606, 997480, 1722920, 1895212, 2369015, 3790424, 4738030, 9476060, 18952120]

約数ペア:

[(1, 18952120), (2, 9476060), (4, 4738030), (5, 3790424), (8, 2369015), (10, 1895212), (11, 1722920), (19, 997480), (20, 947606), (22, 861460), (38, 498740), (40, 473803), (44, 430730), (55, 344584), (76, 249370), (88, 215365), (95, 199496), (110, 172292), (152, 124685), (190, 99748), (209, 90680), (220, 86146), (380, 49874), (418, 45340), (440, 43073), (760, 24937), (836, 22670), (1045, 18136), (1672, 11335), (2090, 9068), (2267, 8360), (4180, 4534)]