18669430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11047}}^1$

素因数の和:11080

約数の個数: 24

約数和(自身を含む): 36392112

約数和(自身を除く): 17722682

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11047, 22094, 55235, 110470, 143611, 287222, 718055, 1436110, 1866943, 3733886, 9334715, 18669430]

約数ペア:

[(1, 18669430), (2, 9334715), (5, 3733886), (10, 1866943), (13, 1436110), (26, 718055), (65, 287222), (130, 143611), (169, 110470), (338, 55235), (845, 22094), (1690, 11047)]