19770293955

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9620581}}^1$

素因数の和:9620726

約数の個数: 16

約数和(自身を含む): 31863367584

約数和(自身を除く): 12093073629

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9620581, 28861743, 48102905, 144308715, 1318019597, 3954058791, 6590097985, 19770293955]

約数ペア:

[(1, 19770293955), (3, 6590097985), (5, 3954058791), (15, 1318019597), (137, 144308715), (411, 48102905), (685, 28861743), (2055, 9620581)]