18080894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 32568480

約数和(自身を除く): 14487586

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2153, 4199, 4306, 8398, 27989, 36601, 40907, 55978, 73202, 81814, 475813, 531791, 695419, 951626, 1063582, 1390838, 9040447, 18080894]

約数ペア:

[(1, 18080894), (2, 9040447), (13, 1390838), (17, 1063582), (19, 951626), (26, 695419), (34, 531791), (38, 475813), (221, 81814), (247, 73202), (323, 55978), (442, 40907), (494, 36601), (646, 27989), (2153, 8398), (4199, 4306)]