19003589072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91363409}}^1$

素因数の和:91363430

約数の個数: 20

約数和(自身を含む): 39651719940

約数和(自身を除く): 20648130868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91363409, 182726818, 365453636, 730907272, 1187724317, 1461814544, 2375448634, 4750897268, 9501794536, 19003589072]

約数ペア:

[(1, 19003589072), (2, 9501794536), (4, 4750897268), (8, 2375448634), (13, 1461814544), (16, 1187724317), (26, 730907272), (52, 365453636), (104, 182726818), (208, 91363409)]