19152777

素因数分解:

$3^1\times 7^4\times {\mathrm{2659}}^1$

素因数の和:2690

約数の個数: 20

約数和(自身を含む): 29802640

約数和(自身を除く): 10649863

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2659, 7203, 7977, 18613, 55839, 130291, 390873, 912037, 2736111, 6384259, 19152777]

約数ペア:

[(1, 19152777), (3, 6384259), (7, 2736111), (21, 912037), (49, 390873), (147, 130291), (343, 55839), (1029, 18613), (2401, 7977), (2659, 7203)]