18778472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138077}}^1$

素因数の和:138100

約数の個数: 16

約数和(自身を含む): 37281060

約数和(自身を除く): 18502588

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138077, 276154, 552308, 1104616, 2347309, 4694618, 9389236, 18778472]

約数ペア:

[(1, 18778472), (2, 9389236), (4, 4694618), (8, 2347309), (17, 1104616), (34, 552308), (68, 276154), (136, 138077)]