18424220

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1619}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 20358580

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1619, 2276, 2845, 3238, 5690, 6476, 8095, 11380, 16190, 32380, 921211, 1842422, 3684844, 4606055, 9212110, 18424220]

約数ペア:

[(1, 18424220), (2, 9212110), (4, 4606055), (5, 3684844), (10, 1842422), (20, 921211), (569, 32380), (1138, 16190), (1619, 11380), (2276, 8095), (2845, 6476), (3238, 5690)]