18947313

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 16995087

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1439, 1463, 1881, 4317, 4389, 10073, 12951, 13167, 15829, 27341, 30219, 47487, 82023, 90657, 110803, 142461, 191387, 246069, 300751, 332409, 574161, 902253, 997227, 1722483, 2105257, 2706759, 6315771, 18947313]

約数ペア:

[(1, 18947313), (3, 6315771), (7, 2706759), (9, 2105257), (11, 1722483), (19, 997227), (21, 902253), (33, 574161), (57, 332409), (63, 300751), (77, 246069), (99, 191387), (133, 142461), (171, 110803), (209, 90657), (231, 82023), (399, 47487), (627, 30219), (693, 27341), (1197, 15829), (1439, 13167), (1463, 12951), (1881, 10073), (4317, 4389)]