18722236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21179}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 37361520

約数和(自身を除く): 18639284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21179, 42358, 84716, 275327, 360043, 550654, 720086, 1101308, 1440172, 4680559, 9361118, 18722236]

約数ペア:

[(1, 18722236), (2, 9361118), (4, 4680559), (13, 1440172), (17, 1101308), (26, 720086), (34, 550654), (52, 360043), (68, 275327), (221, 84716), (442, 42358), (884, 21179)]