15666890990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4339859}}^1$

素因数の和:4339904

約数の個数: 24

約数和(自身を含む): 29762759880

約数和(自身を除く): 14095868890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 4339859, 8679718, 21699295, 43398590, 82457321, 164914642, 412286605, 824573210, 1566689099, 3133378198, 7833445495, 15666890990]

約数ペア:

[(1, 15666890990), (2, 7833445495), (5, 3133378198), (10, 1566689099), (19, 824573210), (38, 412286605), (95, 164914642), (190, 82457321), (361, 43398590), (722, 21699295), (1805, 8679718), (3610, 4339859)]