18021536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43321}}^1$

素因数の和:43344

約数の個数: 24

約数和(自身を含む): 38210004

約数和(自身を除く): 20188468

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 43321, 86642, 173284, 346568, 563173, 693136, 1126346, 1386272, 2252692, 4505384, 9010768, 18021536]

約数ペア:

[(1, 18021536), (2, 9010768), (4, 4505384), (8, 2252692), (13, 1386272), (16, 1126346), (26, 693136), (32, 563173), (52, 346568), (104, 173284), (208, 86642), (416, 43321)]