19226864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70687}}^1$

素因数の和:70712

約数の個数: 20

約数和(自身を含む): 39443904

約数和(自身を除く): 20217040

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70687, 141374, 282748, 565496, 1130992, 1201679, 2403358, 4806716, 9613432, 19226864]

約数ペア:

[(1, 19226864), (2, 9613432), (4, 4806716), (8, 2403358), (16, 1201679), (17, 1130992), (34, 565496), (68, 282748), (136, 141374), (272, 70687)]