19785914764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{99289}}^1$

素因数の和:99958

約数の個数: 48

約数和(自身を含む): 43236426240

約数和(自身を除く): 23450511476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 647, 1294, 2588, 4529, 7117, 9058, 14234, 18116, 28468, 49819, 99289, 99638, 198578, 199276, 397156, 695023, 1092179, 1390046, 2184358, 2780092, 4368716, 7645253, 15290506, 30581012, 64239983, 128479966, 256959932, 449679881, 706639813, 899359762, 1413279626, 1798719524, 2826559252, 4946478691, 9892957382, 19785914764]

約数ペア:

[(1, 19785914764), (2, 9892957382), (4, 4946478691), (7, 2826559252), (11, 1798719524), (14, 1413279626), (22, 899359762), (28, 706639813), (44, 449679881), (77, 256959932), (154, 128479966), (308, 64239983), (647, 30581012), (1294, 15290506), (2588, 7645253), (4529, 4368716), (7117, 2780092), (9058, 2184358), (14234, 1390046), (18116, 1092179), (28468, 695023), (49819, 397156), (99289, 199276), (99638, 198578)]