19212640

素因数分解:

$2^5\times 5^1\times {\mathrm{120079}}^1$

素因数の和:120094

約数の個数: 24

約数和(自身を含む): 45390240

約数和(自身を除く): 26177600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 120079, 240158, 480316, 600395, 960632, 1200790, 1921264, 2401580, 3842528, 4803160, 9606320, 19212640]

約数ペア:

[(1, 19212640), (2, 9606320), (4, 4803160), (5, 3842528), (8, 2401580), (10, 1921264), (16, 1200790), (20, 960632), (32, 600395), (40, 480316), (80, 240158), (160, 120079)]