19529361

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 28959840

約数和(自身を除く): 9430479

約数列:

[1, 3, 9, 67, 139, 201, 233, 417, 603, 699, 1251, 2097, 9313, 15611, 27939, 32387, 46833, 83817, 97161, 140499, 291483, 2169929, 6509787, 19529361]

約数ペア:

[(1, 19529361), (3, 6509787), (9, 2169929), (67, 291483), (139, 140499), (201, 97161), (233, 83817), (417, 46833), (603, 32387), (699, 27939), (1251, 15611), (2097, 9313)]