18884313

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2494

約数の個数: 32

約数和(自身を含む): 32766720

約数和(自身を除く): 13882407

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2437, 2583, 7311, 7749, 17059, 21933, 51177, 65799, 99917, 153531, 299751, 460593, 699419, 899253, 2098257, 2697759, 6294771, 18884313]

約数ペア:

[(1, 18884313), (3, 6294771), (7, 2697759), (9, 2098257), (21, 899253), (27, 699419), (41, 460593), (63, 299751), (123, 153531), (189, 99917), (287, 65799), (369, 51177), (861, 21933), (1107, 17059), (2437, 7749), (2583, 7311)]