19697223

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3183

約数の個数: 32

約数和(自身を含む): 33739776

約数和(自身を除く): 14042553

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3137, 6279, 9411, 21959, 40781, 65877, 72151, 122343, 216453, 285467, 505057, 856401, 937963, 1515171, 2813889, 6565741, 19697223]

約数ペア:

[(1, 19697223), (3, 6565741), (7, 2813889), (13, 1515171), (21, 937963), (23, 856401), (39, 505057), (69, 285467), (91, 216453), (161, 122343), (273, 72151), (299, 65877), (483, 40781), (897, 21959), (2093, 9411), (3137, 6279)]