30912620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81349}}^1$

素因数の和:81377

約数の個数: 24

約数和(自身を含む): 68334000

約数和(自身を除く): 37421380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81349, 162698, 325396, 406745, 813490, 1545631, 1626980, 3091262, 6182524, 7728155, 15456310, 30912620]

約数ペア:

[(1, 30912620), (2, 15456310), (4, 7728155), (5, 6182524), (10, 3091262), (19, 1626980), (20, 1545631), (38, 813490), (76, 406745), (95, 325396), (190, 162698), (380, 81349)]