18244660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18617}}^1$

素因数の和:18640

約数の個数: 36

約数和(自身を含む): 44571492

約数和(自身を除く): 26326832

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18617, 37234, 74468, 93085, 130319, 186170, 260638, 372340, 521276, 651595, 912233, 1303190, 1824466, 2606380, 3648932, 4561165, 9122330, 18244660]

約数ペア:

[(1, 18244660), (2, 9122330), (4, 4561165), (5, 3648932), (7, 2606380), (10, 1824466), (14, 1303190), (20, 912233), (28, 651595), (35, 521276), (49, 372340), (70, 260638), (98, 186170), (140, 130319), (196, 93085), (245, 74468), (490, 37234), (980, 18617)]