19005343551

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2970049}}^1$

素因数の和:2970140

約数の個数: 20

約数和(自身を含む): 28750084000

約数和(自身を除く): 9744740449

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 2970049, 8910147, 26730441, 80191323, 234633871, 240573969, 703901613, 2111704839, 6335114517, 19005343551]

約数ペア:

[(1, 19005343551), (3, 6335114517), (9, 2111704839), (27, 703901613), (79, 240573969), (81, 234633871), (237, 80191323), (711, 26730441), (2133, 8910147), (6399, 2970049)]