18727384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{180071}}^1$

素因数の和:180090

約数の個数: 16

約数和(自身を含む): 37815120

約数和(自身を除く): 19087736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 180071, 360142, 720284, 1440568, 2340923, 4681846, 9363692, 18727384]

約数ペア:

[(1, 18727384), (2, 9363692), (4, 4681846), (8, 2340923), (13, 1440568), (26, 720284), (52, 360142), (104, 180071)]