18081108

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1193}}^1$

素因数の和:1624

約数の個数: 36

約数和(自身を含む): 45851988

約数和(自身を除く): 27770880

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1193, 1263, 1684, 2386, 2526, 3579, 3789, 4772, 5052, 7158, 7578, 10737, 14316, 15156, 21474, 42948, 502253, 1004506, 1506759, 2009012, 3013518, 4520277, 6027036, 9040554, 18081108]

約数ペア:

[(1, 18081108), (2, 9040554), (3, 6027036), (4, 4520277), (6, 3013518), (9, 2009012), (12, 1506759), (18, 1004506), (36, 502253), (421, 42948), (842, 21474), (1193, 15156), (1263, 14316), (1684, 10737), (2386, 7578), (2526, 7158), (3579, 5052), (3789, 4772)]