18095259

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 32060448

約数和(自身を除く): 13965189

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 557, 637, 663, 833, 1547, 1671, 1911, 2499, 3899, 4641, 7241, 9469, 10829, 11697, 21723, 27293, 28407, 32487, 50687, 66283, 81879, 123097, 152061, 198849, 354809, 369291, 463981, 861679, 1064427, 1391943, 2585037, 6031753, 18095259]

約数ペア:

[(1, 18095259), (3, 6031753), (7, 2585037), (13, 1391943), (17, 1064427), (21, 861679), (39, 463981), (49, 369291), (51, 354809), (91, 198849), (119, 152061), (147, 123097), (221, 81879), (273, 66283), (357, 50687), (557, 32487), (637, 28407), (663, 27293), (833, 21723), (1547, 11697), (1671, 10829), (1911, 9469), (2499, 7241), (3899, 4641)]