18975585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13280415

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 479, 695, 1437, 2085, 2395, 2641, 7185, 7923, 9101, 13205, 27303, 39615, 45505, 66581, 136515, 199743, 332905, 998715, 1265039, 3795117, 6325195, 18975585]

約数ペア:

[(1, 18975585), (3, 6325195), (5, 3795117), (15, 1265039), (19, 998715), (57, 332905), (95, 199743), (139, 136515), (285, 66581), (417, 45505), (479, 39615), (695, 27303), (1437, 13205), (2085, 9101), (2395, 7923), (2641, 7185)]