18146660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18517}}^1$

素因数の和:18540

約数の個数: 36

約数和(自身を含む): 44332092

約数和(自身を除く): 26185432

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18517, 37034, 74068, 92585, 129619, 185170, 259238, 370340, 518476, 648095, 907333, 1296190, 1814666, 2592380, 3629332, 4536665, 9073330, 18146660]

約数ペア:

[(1, 18146660), (2, 9073330), (4, 4536665), (5, 3629332), (7, 2592380), (10, 1814666), (14, 1296190), (20, 907333), (28, 648095), (35, 518476), (49, 370340), (70, 259238), (98, 185170), (140, 129619), (196, 92585), (245, 74068), (490, 37034), (980, 18517)]