19399765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 10356395

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1229, 1435, 2255, 3157, 6145, 8603, 13519, 15785, 43015, 50389, 67595, 94633, 251945, 352723, 473165, 554279, 1763615, 2771395, 3879953, 19399765]

約数ペア:

[(1, 19399765), (5, 3879953), (7, 2771395), (11, 1763615), (35, 554279), (41, 473165), (55, 352723), (77, 251945), (205, 94633), (287, 67595), (385, 50389), (451, 43015), (1229, 15785), (1435, 13519), (2255, 8603), (3157, 6145)]