19005389180

素因数分解:

$2^2\times 5^1\times {\mathrm{17341}}^1\times {\mathrm{54799}}^1$

素因数の和:72149

約数の個数: 24

約数和(自身を含む): 39914347200

約数和(自身を除く): 20908958020

約数列:

[1, 2, 4, 5, 10, 20, 17341, 34682, 54799, 69364, 86705, 109598, 173410, 219196, 273995, 346820, 547990, 1095980, 950269459, 1900538918, 3801077836, 4751347295, 9502694590, 19005389180]

約数ペア:

[(1, 19005389180), (2, 9502694590), (4, 4751347295), (5, 3801077836), (10, 1900538918), (20, 950269459), (17341, 1095980), (34682, 547990), (54799, 346820), (69364, 273995), (86705, 219196), (109598, 173410)]