19690545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{677}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 36188928

約数和(自身を除く): 16498383

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 277, 677, 831, 1385, 1939, 2031, 3385, 4155, 4739, 5817, 9695, 10155, 14217, 23695, 29085, 71085, 187529, 562587, 937645, 1312703, 2812935, 3938109, 6563515, 19690545]

約数ペア:

[(1, 19690545), (3, 6563515), (5, 3938109), (7, 2812935), (15, 1312703), (21, 937645), (35, 562587), (105, 187529), (277, 71085), (677, 29085), (831, 23695), (1385, 14217), (1939, 10155), (2031, 9695), (3385, 5817), (4155, 4739)]