18030380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14779}}^1$

素因数の和:14849

約数の個数: 24

約数和(自身を含む): 38487120

約数和(自身を除く): 20456740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 14779, 29558, 59116, 73895, 147790, 295580, 901519, 1803038, 3606076, 4507595, 9015190, 18030380]

約数ペア:

[(1, 18030380), (2, 9015190), (4, 4507595), (5, 3606076), (10, 1803038), (20, 901519), (61, 295580), (122, 147790), (244, 73895), (305, 59116), (610, 29558), (1220, 14779)]