2019881105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{19421}}^1$

素因数の和:19529

約数の個数: 32

約数和(自身を含む): 2774393856

約数和(自身を除く): 754512751

約数列:

[1, 5, 11, 31, 55, 61, 155, 305, 341, 671, 1705, 1891, 3355, 9455, 19421, 20801, 97105, 104005, 213631, 602051, 1068155, 1184681, 3010255, 5923405, 6622561, 13031491, 33112805, 36725111, 65157455, 183625555, 403976221, 2019881105]

約数ペア:

[(1, 2019881105), (5, 403976221), (11, 183625555), (31, 65157455), (55, 36725111), (61, 33112805), (155, 13031491), (305, 6622561), (341, 5923405), (671, 3010255), (1705, 1184681), (1891, 1068155), (3355, 602051), (9455, 213631), (19421, 104005), (20801, 97105)]