18969070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26717}}^1$

素因数の和:26795

約数の個数: 16

約数和(自身を含む): 34626528

約数和(自身を除く): 15657458

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26717, 53434, 133585, 267170, 1896907, 3793814, 9484535, 18969070]

約数ペア:

[(1, 18969070), (2, 9484535), (5, 3793814), (10, 1896907), (71, 267170), (142, 133585), (355, 53434), (710, 26717)]