19226851

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22837248

約数和(自身を除く): 3610397

約数列:

[1, 7, 31, 217, 251, 353, 1757, 2471, 7781, 10943, 54467, 76601, 88603, 620221, 2746693, 19226851]

約数ペア:

[(1, 19226851), (7, 2746693), (31, 620221), (217, 88603), (251, 76601), (353, 54467), (1757, 10943), (2471, 7781)]