18925161940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1184303}}^1$

素因数の和:1184376

約数の個数: 48

約数和(自身を含む): 42976023552

約数和(自身を除く): 24050861612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 1184303, 2368606, 4737212, 5921515, 11843030, 20133151, 23686060, 40266302, 55662241, 80532604, 100665755, 111324482, 201331510, 222648964, 278311205, 402663020, 556622410, 946258097, 1113244820, 1892516194, 3785032388, 4731290485, 9462580970, 18925161940]

約数ペア:

[(1, 18925161940), (2, 9462580970), (4, 4731290485), (5, 3785032388), (10, 1892516194), (17, 1113244820), (20, 946258097), (34, 556622410), (47, 402663020), (68, 278311205), (85, 222648964), (94, 201331510), (170, 111324482), (188, 100665755), (235, 80532604), (340, 55662241), (470, 40266302), (799, 23686060), (940, 20133151), (1598, 11843030), (3196, 5921515), (3995, 4737212), (7990, 2368606), (15980, 1184303)]