19633551

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 31349760

約数和(自身を除く): 11716209

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 313, 609, 721, 939, 2163, 2191, 2987, 6573, 8961, 9077, 20909, 27231, 32239, 62727, 63539, 96717, 190617, 225673, 677019, 934931, 2804793, 6544517, 19633551]

約数ペア:

[(1, 19633551), (3, 6544517), (7, 2804793), (21, 934931), (29, 677019), (87, 225673), (103, 190617), (203, 96717), (309, 63539), (313, 62727), (609, 32239), (721, 27231), (939, 20909), (2163, 9077), (2191, 8961), (2987, 6573)]