19651177

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 25966080

約数和(自身を除く): 6314903

約数列:

[1, 7, 13, 23, 41, 91, 161, 229, 287, 299, 533, 943, 1603, 2093, 2977, 3731, 5267, 6601, 9389, 12259, 20839, 36869, 65723, 68471, 85813, 122057, 215947, 479297, 854399, 1511629, 2807311, 19651177]

約数ペア:

[(1, 19651177), (7, 2807311), (13, 1511629), (23, 854399), (41, 479297), (91, 215947), (161, 122057), (229, 85813), (287, 68471), (299, 65723), (533, 36869), (943, 20839), (1603, 12259), (2093, 9389), (2977, 6601), (3731, 5267)]