19618450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 38970720

約数和(自身を除く): 19352270

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 107, 190, 193, 214, 386, 475, 535, 950, 965, 1070, 1930, 2033, 2675, 3667, 4066, 4825, 5350, 7334, 9650, 10165, 18335, 20330, 20651, 36670, 41302, 50825, 91675, 101650, 103255, 183350, 206510, 392369, 516275, 784738, 1032550, 1961845, 3923690, 9809225, 19618450]

約数ペア:

[(1, 19618450), (2, 9809225), (5, 3923690), (10, 1961845), (19, 1032550), (25, 784738), (38, 516275), (50, 392369), (95, 206510), (107, 183350), (190, 103255), (193, 101650), (214, 91675), (386, 50825), (475, 41302), (535, 36670), (950, 20651), (965, 20330), (1070, 18335), (1930, 10165), (2033, 9650), (2675, 7334), (3667, 5350), (4066, 4825)]