19787015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1$

素因数の和:2458

約数の個数: 16

約数和(自身を含む): 25126848

約数和(自身を除く): 5339833

約数列:

[1, 5, 23, 73, 115, 365, 1679, 2357, 8395, 11785, 54211, 172061, 271055, 860305, 3957403, 19787015]

約数ペア:

[(1, 19787015), (5, 3957403), (23, 860305), (73, 271055), (115, 172061), (365, 54211), (1679, 11785), (2357, 8395)]