2018903971

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{21391}}^1$

素因数の和:21634

約数の個数: 16

約数和(自身を含む): 2347985920

約数和(自身を除く): 329081949

約数列:

[1, 7, 97, 139, 679, 973, 13483, 21391, 94381, 149737, 2074927, 2973349, 14524489, 20813443, 288414853, 2018903971]

約数ペア:

[(1, 2018903971), (7, 288414853), (97, 20813443), (139, 14524489), (679, 2973349), (973, 2074927), (13483, 149737), (21391, 94381)]