19744777731

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{5381}}^1$

素因数の和:5592

約数の個数: 64

約数和(自身を含む): 32141131776

約数和(自身を除く): 12396354045

約数列:

[1, 3, 7, 21, 23, 69, 71, 107, 161, 213, 321, 483, 497, 749, 1491, 1633, 2247, 2461, 4899, 5381, 7383, 7597, 11431, 16143, 17227, 22791, 34293, 37667, 51681, 53179, 113001, 123763, 159537, 174731, 371289, 382051, 524193, 575767, 866341, 1146153, 1223117, 1727301, 2599023, 2674357, 3669351, 4030369, 8023071, 8787173, 12091107, 13242641, 26361519, 39727923, 40879457, 61510211, 92698487, 122638371, 184530633, 278095461, 286156199, 858468597, 940227511, 2820682533, 6581592577, 19744777731]

約数ペア:

[(1, 19744777731), (3, 6581592577), (7, 2820682533), (21, 940227511), (23, 858468597), (69, 286156199), (71, 278095461), (107, 184530633), (161, 122638371), (213, 92698487), (321, 61510211), (483, 40879457), (497, 39727923), (749, 26361519), (1491, 13242641), (1633, 12091107), (2247, 8787173), (2461, 8023071), (4899, 4030369), (5381, 3669351), (7383, 2674357), (7597, 2599023), (11431, 1727301), (16143, 1223117), (17227, 1146153), (22791, 866341), (34293, 575767), (37667, 524193), (51681, 382051), (53179, 371289), (113001, 174731), (123763, 159537)]