19467415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 7204265

約数列:

[1, 5, 11, 41, 55, 89, 97, 205, 445, 451, 485, 979, 1067, 2255, 3649, 3977, 4895, 5335, 8633, 18245, 19885, 40139, 43165, 43747, 94963, 200695, 218735, 353953, 474815, 1769765, 3893483, 19467415]

約数ペア:

[(1, 19467415), (5, 3893483), (11, 1769765), (41, 474815), (55, 353953), (89, 218735), (97, 200695), (205, 94963), (445, 43747), (451, 43165), (485, 40139), (979, 19885), (1067, 18245), (2255, 8633), (3649, 5335), (3977, 4895)]