19486540

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1129}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 41005440

約数和(自身を除く): 21518900

約数列:

[1, 2, 4, 5, 10, 20, 863, 1129, 1726, 2258, 3452, 4315, 4516, 5645, 8630, 11290, 17260, 22580, 974327, 1948654, 3897308, 4871635, 9743270, 19486540]

約数ペア:

[(1, 19486540), (2, 9743270), (4, 4871635), (5, 3897308), (10, 1948654), (20, 974327), (863, 22580), (1129, 17260), (1726, 11290), (2258, 8630), (3452, 5645), (4315, 4516)]