20419218

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5087}}^1$

素因数の和:5318

約数の個数: 24

約数和(自身を含む): 44448768

約数和(自身を除く): 24029550

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5087, 10174, 15261, 30522, 45783, 91566, 1134401, 2268802, 3403203, 6806406, 10209609, 20419218]

約数ペア:

[(1, 20419218), (2, 10209609), (3, 6806406), (6, 3403203), (9, 2268802), (18, 1134401), (223, 91566), (446, 45783), (669, 30522), (1338, 15261), (2007, 10174), (4014, 5087)]