19696395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 33795072

約数和(自身を除く): 14098677

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 1543, 2553, 4255, 4629, 7715, 12765, 23145, 35489, 57091, 106467, 171273, 177445, 285455, 532335, 856365, 1313093, 3939279, 6565465, 19696395]

約数ペア:

[(1, 19696395), (3, 6565465), (5, 3939279), (15, 1313093), (23, 856365), (37, 532335), (69, 285455), (111, 177445), (115, 171273), (185, 106467), (345, 57091), (555, 35489), (851, 23145), (1543, 12765), (2553, 7715), (4255, 4629)]