18935930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145661}}^1$

素因数の和:145681

約数の個数: 16

約数和(自身を含む): 36706824

約数和(自身を除く): 17770894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145661, 291322, 728305, 1456610, 1893593, 3787186, 9467965, 18935930]

約数ペア:

[(1, 18935930), (2, 9467965), (5, 3787186), (10, 1893593), (13, 1456610), (26, 728305), (65, 291322), (130, 145661)]