19923254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11437}}^1$

素因数の和:11519

約数の個数: 16

約数和(自身を含む): 32666928

約数和(自身を除く): 12743674

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11437, 22874, 148681, 297362, 766279, 1532558, 9961627, 19923254]

約数ペア:

[(1, 19923254), (2, 9961627), (13, 1532558), (26, 766279), (67, 297362), (134, 148681), (871, 22874), (1742, 11437)]