19411400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 26389240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1367, 1420, 1775, 2734, 2840, 3550, 5468, 6835, 7100, 10936, 13670, 14200, 27340, 34175, 54680, 68350, 97057, 136700, 194114, 273400, 388228, 485285, 776456, 970570, 1941140, 2426425, 3882280, 4852850, 9705700, 19411400]

約数ペア:

[(1, 19411400), (2, 9705700), (4, 4852850), (5, 3882280), (8, 2426425), (10, 1941140), (20, 970570), (25, 776456), (40, 485285), (50, 388228), (71, 273400), (100, 194114), (142, 136700), (200, 97057), (284, 68350), (355, 54680), (568, 34175), (710, 27340), (1367, 14200), (1420, 13670), (1775, 10936), (2734, 7100), (2840, 6835), (3550, 5468)]