19457750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5987}}^1$

素因数の和:6017

約数の個数: 32

約数和(自身を含む): 39233376

約数和(自身を除く): 19775626

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5987, 11974, 29935, 59870, 77831, 149675, 155662, 299350, 389155, 748375, 778310, 1496750, 1945775, 3891550, 9728875, 19457750]

約数ペア:

[(1, 19457750), (2, 9728875), (5, 3891550), (10, 1945775), (13, 1496750), (25, 778310), (26, 748375), (50, 389155), (65, 299350), (125, 155662), (130, 149675), (250, 77831), (325, 59870), (650, 29935), (1625, 11974), (3250, 5987)]