19994429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 6423235

約数列:

[1, 7, 13, 23, 41, 91, 161, 233, 287, 299, 533, 943, 1631, 2093, 3029, 3731, 5359, 6601, 9553, 12259, 21203, 37513, 66871, 69667, 85813, 124189, 219719, 487669, 869323, 1538033, 2856347, 19994429]

約数ペア:

[(1, 19994429), (7, 2856347), (13, 1538033), (23, 869323), (41, 487669), (91, 219719), (161, 124189), (233, 85813), (287, 69667), (299, 66871), (533, 37513), (943, 21203), (1631, 12259), (2093, 9553), (3029, 6601), (3731, 5359)]