18490045

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 26836992

約数和(自身を除く): 8346947

約数列:

[1, 5, 7, 23, 35, 103, 115, 161, 223, 515, 721, 805, 1115, 1561, 2369, 3605, 5129, 7805, 11845, 16583, 22969, 25645, 35903, 82915, 114845, 160783, 179515, 528287, 803915, 2641435, 3698009, 18490045]

約数ペア:

[(1, 18490045), (5, 3698009), (7, 2641435), (23, 803915), (35, 528287), (103, 179515), (115, 160783), (161, 114845), (223, 82915), (515, 35903), (721, 25645), (805, 22969), (1115, 16583), (1561, 11845), (2369, 7805), (3605, 5129)]