19800355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 5165789

約数列:

[1, 5, 23, 115, 167, 835, 1031, 3841, 5155, 19205, 23713, 118565, 172177, 860885, 3960071, 19800355]

約数ペア:

[(1, 19800355), (5, 3960071), (23, 860885), (115, 172177), (167, 118565), (835, 23713), (1031, 19205), (3841, 5155)]