18869690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6269}}^1$

素因数の和:6326

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 20857030

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6269, 12538, 31345, 43883, 62690, 87766, 219415, 269567, 438830, 539134, 1347835, 1886969, 2695670, 3773938, 9434845, 18869690]

約数ペア:

[(1, 18869690), (2, 9434845), (5, 3773938), (7, 2695670), (10, 1886969), (14, 1347835), (35, 539134), (43, 438830), (70, 269567), (86, 219415), (215, 87766), (301, 62690), (430, 43883), (602, 31345), (1505, 12538), (3010, 6269)]