18173913

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2113}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 25165056

約数和(自身を除く): 6991143

約数列:

[1, 3, 47, 61, 141, 183, 2113, 2867, 6339, 8601, 99311, 128893, 297933, 386679, 6057971, 18173913]

約数ペア:

[(1, 18173913), (3, 6057971), (47, 386679), (61, 297933), (141, 128893), (183, 99311), (2113, 8601), (2867, 6339)]