18421689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 30127104

約数和(自身を除く): 11705415

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 1867, 3289, 5601, 9867, 20537, 24271, 42941, 61611, 72813, 128823, 266981, 472351, 558233, 800943, 1417053, 1674699, 6140563, 18421689]

約数ペア:

[(1, 18421689), (3, 6140563), (11, 1674699), (13, 1417053), (23, 800943), (33, 558233), (39, 472351), (69, 266981), (143, 128823), (253, 72813), (299, 61611), (429, 42941), (759, 24271), (897, 20537), (1867, 9867), (3289, 5601)]