19439655

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30139}}^1$

素因数の和:30190

約数の個数: 16

約数和(自身を含む): 31827840

約数和(自身を除く): 12388185

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 30139, 90417, 150695, 452085, 1295977, 3887931, 6479885, 19439655]

約数ペア:

[(1, 19439655), (3, 6479885), (5, 3887931), (15, 1295977), (43, 452085), (129, 150695), (215, 90417), (645, 30139)]