18079984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86923}}^1$

素因数の和:86944

約数の個数: 20

約数和(自身を含む): 37725016

約数和(自身を除く): 19645032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86923, 173846, 347692, 695384, 1129999, 1390768, 2259998, 4519996, 9039992, 18079984]

約数ペア:

[(1, 18079984), (2, 9039992), (4, 4519996), (8, 2259998), (13, 1390768), (16, 1129999), (26, 695384), (52, 347692), (104, 173846), (208, 86923)]