18215860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70061}}^1$

素因数の和:70083

約数の個数: 24

約数和(自身を含む): 41196456

約数和(自身を除く): 22980596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70061, 140122, 280244, 350305, 700610, 910793, 1401220, 1821586, 3643172, 4553965, 9107930, 18215860]

約数ペア:

[(1, 18215860), (2, 9107930), (4, 4553965), (5, 3643172), (10, 1821586), (13, 1401220), (20, 910793), (26, 700610), (52, 350305), (65, 280244), (130, 140122), (260, 70061)]