19070500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 23596124

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 887, 1075, 1774, 2150, 3548, 4300, 4435, 5375, 8870, 10750, 17740, 21500, 22175, 38141, 44350, 76282, 88700, 110875, 152564, 190705, 221750, 381410, 443500, 762820, 953525, 1907050, 3814100, 4767625, 9535250, 19070500]

約数ペア:

[(1, 19070500), (2, 9535250), (4, 4767625), (5, 3814100), (10, 1907050), (20, 953525), (25, 762820), (43, 443500), (50, 381410), (86, 221750), (100, 190705), (125, 152564), (172, 110875), (215, 88700), (250, 76282), (430, 44350), (500, 38141), (860, 22175), (887, 21500), (1075, 17740), (1774, 10750), (2150, 8870), (3548, 5375), (4300, 4435)]