19957048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146743}}^1$

素因数の和:146766

約数の個数: 16

約数和(自身を含む): 39620880

約数和(自身を除く): 19663832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146743, 293486, 586972, 1173944, 2494631, 4989262, 9978524, 19957048]

約数ペア:

[(1, 19957048), (2, 9978524), (4, 4989262), (8, 2494631), (17, 1173944), (34, 586972), (68, 293486), (136, 146743)]