19153225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8419}}^1$

素因数の和:8449

約数の個数: 24

約数和(自身を含む): 29234240

約数和(自身を除く): 10081015

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8419, 42095, 58933, 109447, 210475, 294665, 547235, 766129, 1473325, 2736175, 3830645, 19153225]

約数ペア:

[(1, 19153225), (5, 3830645), (7, 2736175), (13, 1473325), (25, 766129), (35, 547235), (65, 294665), (91, 210475), (175, 109447), (325, 58933), (455, 42095), (2275, 8419)]