19402288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28201}}^1$

素因数の和:28252

約数の個数: 20

約数和(自身を含む): 38467528

約数和(自身を除く): 19065240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28201, 56402, 112804, 225608, 451216, 1212643, 2425286, 4850572, 9701144, 19402288]

約数ペア:

[(1, 19402288), (2, 9701144), (4, 4850572), (8, 2425286), (16, 1212643), (43, 451216), (86, 225608), (172, 112804), (344, 56402), (688, 28201)]