19188197

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 22482432

約数和(自身を除く): 3294235

約数列:

[1, 7, 67, 163, 251, 469, 1141, 1757, 10921, 16817, 40913, 76447, 117719, 286391, 2741171, 19188197]

約数ペア:

[(1, 19188197), (7, 2741171), (67, 286391), (163, 117719), (251, 76447), (469, 40913), (1141, 16817), (1757, 10921)]