18425997

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 27692288

約数和(自身を除く): 9266291

約数列:

[1, 3, 9, 31, 93, 211, 279, 313, 633, 939, 1899, 2817, 6541, 9703, 19623, 29109, 58869, 66043, 87327, 198129, 594387, 2047333, 6141999, 18425997]

約数ペア:

[(1, 18425997), (3, 6141999), (9, 2047333), (31, 594387), (93, 198129), (211, 87327), (279, 66043), (313, 58869), (633, 29109), (939, 19623), (1899, 9703), (2817, 6541)]