19172668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18083012

約数列:

[1, 2, 4, 17, 34, 43, 68, 79, 83, 86, 158, 166, 172, 316, 332, 731, 1343, 1411, 1462, 2686, 2822, 2924, 3397, 3569, 5372, 5644, 6557, 6794, 7138, 13114, 13588, 14276, 26228, 57749, 60673, 111469, 115498, 121346, 222938, 230996, 242692, 281951, 445876, 563902, 1127804, 4793167, 9586334, 19172668]

約数ペア:

[(1, 19172668), (2, 9586334), (4, 4793167), (17, 1127804), (34, 563902), (43, 445876), (68, 281951), (79, 242692), (83, 230996), (86, 222938), (158, 121346), (166, 115498), (172, 111469), (316, 60673), (332, 57749), (731, 26228), (1343, 14276), (1411, 13588), (1462, 13114), (2686, 7138), (2822, 6794), (2924, 6557), (3397, 5644), (3569, 5372)]