18079672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 36701280

約数和(自身を除く): 18621608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 661, 1052, 1322, 2104, 2644, 3419, 5288, 6838, 8593, 13676, 17186, 27352, 34372, 68744, 173843, 347686, 695372, 1390744, 2259959, 4519918, 9039836, 18079672]

約数ペア:

[(1, 18079672), (2, 9039836), (4, 4519918), (8, 2259959), (13, 1390744), (26, 695372), (52, 347686), (104, 173843), (263, 68744), (526, 34372), (661, 27352), (1052, 17186), (1322, 13676), (2104, 8593), (2644, 6838), (3419, 5288)]