18748565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14821}}^1$

素因数の和:14860

約数の個数: 16

約数和(自身を含む): 25612416

約数和(自身を除く): 6863851

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 14821, 74105, 163031, 340883, 815155, 1704415, 3749713, 18748565]

約数ペア:

[(1, 18748565), (5, 3749713), (11, 1704415), (23, 815155), (55, 340883), (115, 163031), (253, 74105), (1265, 14821)]