20189365551

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{77353891}}^1$

素因数の和:77353926

約数の個数: 12

約数和(自身を含む): 30168017880

約数和(自身を除く): 9978652329

約数列:

[1, 3, 9, 29, 87, 261, 77353891, 232061673, 696185019, 2243262839, 6729788517, 20189365551]

約数ペア:

[(1, 20189365551), (3, 6729788517), (9, 2243262839), (29, 696185019), (87, 232061673), (261, 77353891)]