19692495

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10177}}^1$

素因数の和:10231

約数の個数: 24

約数和(自身を含む): 34930896

約数和(自身を除く): 15238401

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10177, 30531, 50885, 91593, 152655, 437611, 457965, 1312833, 2188055, 3938499, 6564165, 19692495]

約数ペア:

[(1, 19692495), (3, 6564165), (5, 3938499), (9, 2188055), (15, 1312833), (43, 457965), (45, 437611), (129, 152655), (215, 91593), (387, 50885), (645, 30531), (1935, 10177)]