20181281510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1870369}}^1$

素因数の和:1870472

約数の個数: 32

約数和(自身を含む): 39591992160

約数和(自身を除く): 19410710650

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 2158, 5395, 10790, 1870369, 3740738, 9351845, 18703690, 24314797, 48629594, 121573985, 155240627, 243147970, 310481254, 776203135, 1552406270, 2018128151, 4036256302, 10090640755, 20181281510]

約数ペア:

[(1, 20181281510), (2, 10090640755), (5, 4036256302), (10, 2018128151), (13, 1552406270), (26, 776203135), (65, 310481254), (83, 243147970), (130, 155240627), (166, 121573985), (415, 48629594), (830, 24314797), (1079, 18703690), (2158, 9351845), (5395, 3740738), (10790, 1870369)]