19436080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1913}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 45568512

約数和(自身を除く): 26132432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1913, 2032, 2540, 3826, 5080, 7652, 9565, 10160, 15304, 19130, 30608, 38260, 76520, 153040, 242951, 485902, 971804, 1214755, 1943608, 2429510, 3887216, 4859020, 9718040, 19436080]

約数ペア:

[(1, 19436080), (2, 9718040), (4, 4859020), (5, 3887216), (8, 2429510), (10, 1943608), (16, 1214755), (20, 971804), (40, 485902), (80, 242951), (127, 153040), (254, 76520), (508, 38260), (635, 30608), (1016, 19130), (1270, 15304), (1913, 10160), (2032, 9565), (2540, 7652), (3826, 5080)]