18920013

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29063}}^1$

素因数の和:29104

約数の個数: 16

約数和(自身を含む): 29761536

約数和(自身を除く): 10841523

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 29063, 87189, 203441, 610323, 900953, 2702859, 6306671, 18920013]

約数ペア:

[(1, 18920013), (3, 6306671), (7, 2702859), (21, 900953), (31, 610323), (93, 203441), (217, 87189), (651, 29063)]