18691790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2437}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 36862560

約数和(自身を除く): 18170770

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2437, 3835, 4874, 7670, 12185, 24370, 31681, 63362, 143783, 158405, 287566, 316810, 718915, 1437830, 1869179, 3738358, 9345895, 18691790]

約数ペア:

[(1, 18691790), (2, 9345895), (5, 3738358), (10, 1869179), (13, 1437830), (26, 718915), (59, 316810), (65, 287566), (118, 158405), (130, 143783), (295, 63362), (590, 31681), (767, 24370), (1534, 12185), (2437, 7670), (3835, 4874)]