19042205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41851}}^1$

素因数の和:41876

約数の個数: 16

約数和(自身を含む): 28124544

約数和(自身を除く): 9082339

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 41851, 209255, 292957, 544063, 1464785, 2720315, 3808441, 19042205]

約数ペア:

[(1, 19042205), (5, 3808441), (7, 2720315), (13, 1464785), (35, 544063), (65, 292957), (91, 209255), (455, 41851)]