19280450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 42330624

約数和(自身を除く): 23050174

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1777, 2170, 3554, 5425, 8885, 10850, 12439, 17770, 24878, 44425, 55087, 62195, 88850, 110174, 124390, 275435, 310975, 385609, 550870, 621950, 771218, 1377175, 1928045, 2754350, 3856090, 9640225, 19280450]

約数ペア:

[(1, 19280450), (2, 9640225), (5, 3856090), (7, 2754350), (10, 1928045), (14, 1377175), (25, 771218), (31, 621950), (35, 550870), (50, 385609), (62, 310975), (70, 275435), (155, 124390), (175, 110174), (217, 88850), (310, 62195), (350, 55087), (434, 44425), (775, 24878), (1085, 17770), (1550, 12439), (1777, 10850), (2170, 8885), (3554, 5425)]