19672926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 48964608

約数和(自身を除く): 29291682

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 137, 182, 263, 273, 274, 411, 526, 546, 789, 822, 959, 1578, 1781, 1841, 1918, 2877, 3419, 3562, 3682, 5343, 5523, 5754, 6838, 10257, 10686, 11046, 12467, 20514, 23933, 24934, 36031, 37401, 47866, 71799, 72062, 74802, 108093, 143598, 216186, 252217, 468403, 504434, 756651, 936806, 1405209, 1513302, 2810418, 3278821, 6557642, 9836463, 19672926]

約数ペア:

[(1, 19672926), (2, 9836463), (3, 6557642), (6, 3278821), (7, 2810418), (13, 1513302), (14, 1405209), (21, 936806), (26, 756651), (39, 504434), (42, 468403), (78, 252217), (91, 216186), (137, 143598), (182, 108093), (263, 74802), (273, 72062), (274, 71799), (411, 47866), (526, 37401), (546, 36031), (789, 24934), (822, 23933), (959, 20514), (1578, 12467), (1781, 11046), (1841, 10686), (1918, 10257), (2877, 6838), (3419, 5754), (3562, 5523), (3682, 5343)]