19356813

素因数分解:

$3^4\times 7^2\times {\mathrm{4877}}^1$

素因数の和:4903

約数の個数: 30

約数和(自身を含む): 33643566

約数和(自身を除く): 14286753

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4877, 14631, 34139, 43893, 102417, 131679, 238973, 307251, 395037, 716919, 921753, 2150757, 2765259, 6452271, 19356813]

約数ペア:

[(1, 19356813), (3, 6452271), (7, 2765259), (9, 2150757), (21, 921753), (27, 716919), (49, 395037), (63, 307251), (81, 238973), (147, 131679), (189, 102417), (441, 43893), (567, 34139), (1323, 14631), (3969, 4877)]