19401318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 29120922

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 47, 51, 57, 71, 94, 102, 114, 141, 142, 153, 171, 213, 282, 306, 323, 342, 423, 426, 639, 646, 799, 846, 893, 969, 1207, 1278, 1349, 1598, 1786, 1938, 2397, 2414, 2679, 2698, 2907, 3337, 3621, 4047, 4794, 5358, 5814, 6674, 7191, 7242, 8037, 8094, 10011, 10863, 12141, 14382, 15181, 16074, 20022, 21726, 22933, 24282, 30033, 30362, 45543, 45866, 56729, 60066, 63403, 68799, 91086, 113458, 126806, 136629, 137598, 170187, 190209, 206397, 273258, 340374, 380418, 412794, 510561, 570627, 1021122, 1077851, 1141254, 2155702, 3233553, 6467106, 9700659, 19401318]

約数ペア:

[(1, 19401318), (2, 9700659), (3, 6467106), (6, 3233553), (9, 2155702), (17, 1141254), (18, 1077851), (19, 1021122), (34, 570627), (38, 510561), (47, 412794), (51, 380418), (57, 340374), (71, 273258), (94, 206397), (102, 190209), (114, 170187), (141, 137598), (142, 136629), (153, 126806), (171, 113458), (213, 91086), (282, 68799), (306, 63403), (323, 60066), (342, 56729), (423, 45866), (426, 45543), (639, 30362), (646, 30033), (799, 24282), (846, 22933), (893, 21726), (969, 20022), (1207, 16074), (1278, 15181), (1349, 14382), (1598, 12141), (1786, 10863), (1938, 10011), (2397, 8094), (2414, 8037), (2679, 7242), (2698, 7191), (2907, 6674), (3337, 5814), (3621, 5358), (4047, 4794)]