18479240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35537}}^1$

素因数の和:35561

約数の個数: 32

約数和(自身を含む): 44777880

約数和(自身を除く): 26298640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35537, 71074, 142148, 177685, 284296, 355370, 461981, 710740, 923962, 1421480, 1847924, 2309905, 3695848, 4619810, 9239620, 18479240]

約数ペア:

[(1, 18479240), (2, 9239620), (4, 4619810), (5, 3695848), (8, 2309905), (10, 1847924), (13, 1421480), (20, 923962), (26, 710740), (40, 461981), (52, 355370), (65, 284296), (104, 177685), (130, 142148), (260, 71074), (520, 35537)]