19979496

素因数分解:

$2^3\times 3^2\times {\mathrm{277493}}^1$

素因数の和:277505

約数の個数: 24

約数和(自身を含む): 54111330

約数和(自身を除く): 34131834

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277493, 554986, 832479, 1109972, 1664958, 2219944, 2497437, 3329916, 4994874, 6659832, 9989748, 19979496]

約数ペア:

[(1, 19979496), (2, 9989748), (3, 6659832), (4, 4994874), (6, 3329916), (8, 2497437), (9, 2219944), (12, 1664958), (18, 1109972), (24, 832479), (36, 554986), (72, 277493)]