1880821072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9042409}}^1$

素因数の和:9042430

約数の個数: 20

約数和(自身を含む): 3924405940

約数和(自身を除く): 2043584868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9042409, 18084818, 36169636, 72339272, 117551317, 144678544, 235102634, 470205268, 940410536, 1880821072]

約数ペア:

[(1, 1880821072), (2, 940410536), (4, 470205268), (8, 235102634), (13, 144678544), (16, 117551317), (26, 72339272), (52, 36169636), (104, 18084818), (208, 9042409)]