18620170190

素因数分解:

$2^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{1081939}}^1$

素因数の和:1083667

約数の個数: 16

約数和(自身を含む): 33535812240

約数和(自身を除く): 14915642050

約数列:

[1, 2, 5, 10, 1721, 3442, 8605, 17210, 1081939, 2163878, 5409695, 10819390, 1862017019, 3724034038, 9310085095, 18620170190]

約数ペア:

[(1, 18620170190), (2, 9310085095), (5, 3724034038), (10, 1862017019), (1721, 10819390), (3442, 5409695), (8605, 2163878), (17210, 1081939)]