17899570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 34958448

約数和(自身を除く): 17058878

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 877, 1570, 1754, 2041, 4082, 4385, 8770, 10205, 11401, 20410, 22802, 57005, 114010, 137689, 275378, 688445, 1376890, 1789957, 3579914, 8949785, 17899570]

約数ペア:

[(1, 17899570), (2, 8949785), (5, 3579914), (10, 1789957), (13, 1376890), (26, 688445), (65, 275378), (130, 137689), (157, 114010), (314, 57005), (785, 22802), (877, 20410), (1570, 11401), (1754, 10205), (2041, 8770), (4082, 4385)]