17731540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12487}}^1$

素因数の和:12567

約数の個数: 24

約数和(自身を含む): 37763712

約数和(自身を除く): 20032172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12487, 24974, 49948, 62435, 124870, 249740, 886577, 1773154, 3546308, 4432885, 8865770, 17731540]

約数ペア:

[(1, 17731540), (2, 8865770), (4, 4432885), (5, 3546308), (10, 1773154), (20, 886577), (71, 249740), (142, 124870), (284, 62435), (355, 49948), (710, 24974), (1420, 12487)]