18415157072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88534409}}^1$

素因数の和:88534430

約数の個数: 20

約数和(自身を含む): 38423933940

約数和(自身を除く): 20008776868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88534409, 177068818, 354137636, 708275272, 1150947317, 1416550544, 2301894634, 4603789268, 9207578536, 18415157072]

約数ペア:

[(1, 18415157072), (2, 9207578536), (4, 4603789268), (8, 2301894634), (13, 1416550544), (16, 1150947317), (26, 708275272), (52, 354137636), (104, 177068818), (208, 88534409)]