18136291280

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{972977}}^1$

素因数の和:973223

約数の個数: 40

約数和(自身を含む): 42347894472

約数和(自身を除く): 24211603192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 18640, 972977, 1945954, 3891908, 4864885, 7783816, 9729770, 15567632, 19459540, 38919080, 77838160, 226703641, 453407282, 906814564, 1133518205, 1813629128, 2267036410, 3627258256, 4534072820, 9068145640, 18136291280]

約数ペア:

[(1, 18136291280), (2, 9068145640), (4, 4534072820), (5, 3627258256), (8, 2267036410), (10, 1813629128), (16, 1133518205), (20, 906814564), (40, 453407282), (80, 226703641), (233, 77838160), (466, 38919080), (932, 19459540), (1165, 15567632), (1864, 9729770), (2330, 7783816), (3728, 4864885), (4660, 3891908), (9320, 1945954), (18640, 972977)]