19352697

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 35048160

約数和(自身を除く): 15695463

約数列:

[1, 3, 7, 13, 19, 21, 39, 41, 49, 57, 91, 123, 133, 147, 169, 247, 273, 287, 399, 507, 533, 637, 741, 779, 861, 931, 1183, 1599, 1729, 1911, 2009, 2337, 2793, 3211, 3549, 3731, 5187, 5453, 6027, 6929, 8281, 9633, 10127, 11193, 12103, 16359, 20787, 22477, 24843, 26117, 30381, 36309, 38171, 48503, 67431, 70889, 78351, 114513, 131651, 145509, 157339, 212667, 339521, 394953, 472017, 496223, 921557, 1018563, 1488669, 2764671, 6450899, 19352697]

約数ペア:

[(1, 19352697), (3, 6450899), (7, 2764671), (13, 1488669), (19, 1018563), (21, 921557), (39, 496223), (41, 472017), (49, 394953), (57, 339521), (91, 212667), (123, 157339), (133, 145509), (147, 131651), (169, 114513), (247, 78351), (273, 70889), (287, 67431), (399, 48503), (507, 38171), (533, 36309), (637, 30381), (741, 26117), (779, 24843), (861, 22477), (931, 20787), (1183, 16359), (1599, 12103), (1729, 11193), (1911, 10127), (2009, 9633), (2337, 8281), (2793, 6929), (3211, 6027), (3549, 5453), (3731, 5187)]