19461955

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 24254208

約数和(自身を除く): 4792253

約数列:

[1, 5, 31, 155, 241, 521, 1205, 2605, 7471, 16151, 37355, 80755, 125561, 627805, 3892391, 19461955]

約数ペア:

[(1, 19461955), (5, 3892391), (31, 627805), (155, 125561), (241, 80755), (521, 37355), (1205, 16151), (2605, 7471)]