18880134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 46986240

約数和(自身を除く): 28106106

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 151, 182, 229, 273, 302, 453, 458, 546, 687, 906, 1057, 1374, 1603, 1963, 2114, 2977, 3171, 3206, 3926, 4809, 5889, 5954, 6342, 8931, 9618, 11778, 13741, 17862, 20839, 27482, 34579, 41223, 41678, 62517, 69158, 82446, 103737, 125034, 207474, 242053, 449527, 484106, 726159, 899054, 1348581, 1452318, 2697162, 3146689, 6293378, 9440067, 18880134]

約数ペア:

[(1, 18880134), (2, 9440067), (3, 6293378), (6, 3146689), (7, 2697162), (13, 1452318), (14, 1348581), (21, 899054), (26, 726159), (39, 484106), (42, 449527), (78, 242053), (91, 207474), (151, 125034), (182, 103737), (229, 82446), (273, 69158), (302, 62517), (453, 41678), (458, 41223), (546, 34579), (687, 27482), (906, 20839), (1057, 17862), (1374, 13741), (1603, 11778), (1963, 9618), (2114, 8931), (2977, 6342), (3171, 5954), (3206, 5889), (3926, 4809)]