25281938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{18839}}^1$

素因数の和:18913

約数の個数: 16

約数和(自身を含む): 42050880

約数和(自身を除く): 16768942

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 18839, 37678, 207229, 414458, 1149179, 2298358, 12640969, 25281938]

約数ペア:

[(1, 25281938), (2, 12640969), (11, 2298358), (22, 1149179), (61, 414458), (122, 207229), (671, 37678), (1342, 18839)]