18390830

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27449}}^1$

素因数の和:27523

約数の個数: 16

約数和(自身を含む): 33598800

約数和(自身を除く): 15207970

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27449, 54898, 137245, 274490, 1839083, 3678166, 9195415, 18390830]

約数ペア:

[(1, 18390830), (2, 9195415), (5, 3678166), (10, 1839083), (67, 274490), (134, 137245), (335, 54898), (670, 27449)]