17961813723

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2153}}^1$

素因数の和:2321

約数の個数: 96

約数和(自身を含む): 30645388800

約数和(自身を除く): 12683575077

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 103, 133, 147, 203, 309, 399, 551, 609, 721, 931, 1421, 1653, 1957, 2153, 2163, 2793, 2987, 3857, 4263, 5047, 5871, 6459, 8961, 11571, 13699, 15071, 15141, 20909, 26999, 40907, 41097, 45213, 56753, 62437, 62727, 80997, 95893, 105497, 122721, 146363, 170259, 187311, 221759, 286349, 287679, 316491, 397271, 437059, 439089, 665277, 859047, 1186303, 1191813, 1311177, 1552313, 2004443, 2780897, 3059413, 3558909, 4213421, 4656939, 6013329, 6431011, 8304121, 8342691, 9178239, 10866191, 12640263, 19293033, 24912363, 29493947, 32598573, 45017077, 58128847, 88481841, 122189209, 135051231, 174386541, 206457629, 315119539, 366567627, 619372887, 855324463, 945358617, 2565973389, 5987271241, 17961813723]

約数ペア:

[(1, 17961813723), (3, 5987271241), (7, 2565973389), (19, 945358617), (21, 855324463), (29, 619372887), (49, 366567627), (57, 315119539), (87, 206457629), (103, 174386541), (133, 135051231), (147, 122189209), (203, 88481841), (309, 58128847), (399, 45017077), (551, 32598573), (609, 29493947), (721, 24912363), (931, 19293033), (1421, 12640263), (1653, 10866191), (1957, 9178239), (2153, 8342691), (2163, 8304121), (2793, 6431011), (2987, 6013329), (3857, 4656939), (4263, 4213421), (5047, 3558909), (5871, 3059413), (6459, 2780897), (8961, 2004443), (11571, 1552313), (13699, 1311177), (15071, 1191813), (15141, 1186303), (20909, 859047), (26999, 665277), (40907, 439089), (41097, 437059), (45213, 397271), (56753, 316491), (62437, 287679), (62727, 286349), (80997, 221759), (95893, 187311), (105497, 170259), (122721, 146363)]