19917434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2309}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 31600800

約数和(自身を除く): 11683366

約数列:

[1, 2, 19, 38, 227, 454, 2309, 4313, 4618, 8626, 43871, 87742, 524143, 1048286, 9958717, 19917434]

約数ペア:

[(1, 19917434), (2, 9958717), (19, 1048286), (38, 524143), (227, 87742), (454, 43871), (2309, 8626), (4313, 4618)]