19755728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42577}}^1$

素因数の和:42614

約数の個数: 20

約数和(自身を含む): 39597540

約数和(自身を除く): 19841812

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42577, 85154, 170308, 340616, 681232, 1234733, 2469466, 4938932, 9877864, 19755728]

約数ペア:

[(1, 19755728), (2, 9877864), (4, 4938932), (8, 2469466), (16, 1234733), (29, 681232), (58, 340616), (116, 170308), (232, 85154), (464, 42577)]