19542874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1321}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 31648680

約数和(自身を除く): 12105806

約数列:

[1, 2, 13, 26, 569, 1138, 1321, 2642, 7397, 14794, 17173, 34346, 751649, 1503298, 9771437, 19542874]

約数ペア:

[(1, 19542874), (2, 9771437), (13, 1503298), (26, 751649), (569, 34346), (1138, 17173), (1321, 14794), (2642, 7397)]