19128018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 48045312

約数和(自身を除く): 28917294

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 661, 689, 742, 1113, 1322, 1378, 1983, 2067, 2226, 3966, 4134, 4627, 4823, 8593, 9254, 9646, 13881, 14469, 17186, 25779, 27762, 28938, 35033, 51558, 60151, 70066, 105099, 120302, 180453, 210198, 245231, 360906, 455429, 490462, 735693, 910858, 1366287, 1471386, 2732574, 3188003, 6376006, 9564009, 19128018]

約数ペア:

[(1, 19128018), (2, 9564009), (3, 6376006), (6, 3188003), (7, 2732574), (13, 1471386), (14, 1366287), (21, 910858), (26, 735693), (39, 490462), (42, 455429), (53, 360906), (78, 245231), (91, 210198), (106, 180453), (159, 120302), (182, 105099), (273, 70066), (318, 60151), (371, 51558), (546, 35033), (661, 28938), (689, 27762), (742, 25779), (1113, 17186), (1322, 14469), (1378, 13881), (1983, 9646), (2067, 9254), (2226, 8593), (3966, 4823), (4134, 4627)]