18831410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8558

約数の個数: 32

約数和(自身を含む): 38655792

約数和(自身を除く): 19824382

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8521, 17042, 42605, 85210, 110773, 144857, 221546, 289714, 553865, 724285, 1107730, 1448570, 1883141, 3766282, 9415705, 18831410]

約数ペア:

[(1, 18831410), (2, 9415705), (5, 3766282), (10, 1883141), (13, 1448570), (17, 1107730), (26, 724285), (34, 553865), (65, 289714), (85, 221546), (130, 144857), (170, 110773), (221, 85210), (442, 42605), (1105, 17042), (2210, 8521)]