18004220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69247}}^1$

素因数の和:69269

約数の個数: 24

約数和(自身を含む): 40717824

約数和(自身を除く): 22713604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69247, 138494, 276988, 346235, 692470, 900211, 1384940, 1800422, 3600844, 4501055, 9002110, 18004220]

約数ペア:

[(1, 18004220), (2, 9002110), (4, 4501055), (5, 3600844), (10, 1800422), (13, 1384940), (20, 900211), (26, 692470), (52, 346235), (65, 276988), (130, 138494), (260, 69247)]