18409060

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1487}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 20338460

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 1487, 2476, 2974, 3095, 5948, 6190, 7435, 12380, 14870, 29740, 920453, 1840906, 3681812, 4602265, 9204530, 18409060]

約数ペア:

[(1, 18409060), (2, 9204530), (4, 4602265), (5, 3681812), (10, 1840906), (20, 920453), (619, 29740), (1238, 14870), (1487, 12380), (2476, 7435), (2974, 6190), (3095, 5948)]