19879986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67619}}^1$

素因数の和:67638

約数の個数: 24

約数和(自身を含む): 46252080

約数和(自身を除く): 26372094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 67619, 135238, 202857, 405714, 473333, 946666, 1419999, 2839998, 3313331, 6626662, 9939993, 19879986]

約数ペア:

[(1, 19879986), (2, 9939993), (3, 6626662), (6, 3313331), (7, 2839998), (14, 1419999), (21, 946666), (42, 473333), (49, 405714), (98, 202857), (147, 135238), (294, 67619)]