19831497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 33208320

約数和(自身を除く): 13376823

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2161, 3059, 6483, 9177, 15127, 41059, 45381, 49703, 123177, 149109, 287413, 347921, 862239, 944357, 1043763, 2833071, 6610499, 19831497]

約数ペア:

[(1, 19831497), (3, 6610499), (7, 2833071), (19, 1043763), (21, 944357), (23, 862239), (57, 347921), (69, 287413), (133, 149109), (161, 123177), (399, 49703), (437, 45381), (483, 41059), (1311, 15127), (2161, 9177), (3059, 6483)]