19515291

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 26764800

約数和(自身を除く): 7249509

約数列:

[1, 3, 67, 79, 201, 237, 1229, 3687, 5293, 15879, 82343, 97091, 247029, 291273, 6505097, 19515291]

約数ペア:

[(1, 19515291), (3, 6505097), (67, 291273), (79, 247029), (201, 97091), (237, 82343), (1229, 15879), (3687, 5293)]