19186840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4657}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 43598880

約数和(自身を除く): 24412040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4657, 9314, 18628, 23285, 37256, 46570, 93140, 186280, 479671, 959342, 1918684, 2398355, 3837368, 4796710, 9593420, 19186840]

約数ペア:

[(1, 19186840), (2, 9593420), (4, 4796710), (5, 3837368), (8, 2398355), (10, 1918684), (20, 959342), (40, 479671), (103, 186280), (206, 93140), (412, 46570), (515, 37256), (824, 23285), (1030, 18628), (2060, 9314), (4120, 4657)]