19838679

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7103}}^1$

素因数の和:7139

約数の個数: 24

約数和(自身を含む): 32394240

約数和(自身を除く): 12555561

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7103, 21309, 49721, 134957, 149163, 348047, 404871, 944699, 1044141, 2834097, 6612893, 19838679]

約数ペア:

[(1, 19838679), (3, 6612893), (7, 2834097), (19, 1044141), (21, 944699), (49, 404871), (57, 348047), (133, 149163), (147, 134957), (399, 49721), (931, 21309), (2793, 7103)]