19504712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 38993400

約数和(自身を除く): 19488688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 829, 1384, 1658, 2941, 3316, 5882, 6632, 11764, 14093, 23528, 28186, 56372, 112744, 143417, 286834, 573668, 1147336, 2438089, 4876178, 9752356, 19504712]

約数ペア:

[(1, 19504712), (2, 9752356), (4, 4876178), (8, 2438089), (17, 1147336), (34, 573668), (68, 286834), (136, 143417), (173, 112744), (346, 56372), (692, 28186), (829, 23528), (1384, 14093), (1658, 11764), (2941, 6632), (3316, 5882)]