19083440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2111}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 25699408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2111, 2260, 4222, 4520, 8444, 9040, 10555, 16888, 21110, 33776, 42220, 84440, 168880, 238543, 477086, 954172, 1192715, 1908344, 2385430, 3816688, 4770860, 9541720, 19083440]

約数ペア:

[(1, 19083440), (2, 9541720), (4, 4770860), (5, 3816688), (8, 2385430), (10, 1908344), (16, 1192715), (20, 954172), (40, 477086), (80, 238543), (113, 168880), (226, 84440), (452, 42220), (565, 33776), (904, 21110), (1130, 16888), (1808, 10555), (2111, 9040), (2260, 8444), (4222, 4520)]