18744831

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 33081600

約数和(自身を除く): 14336769

約数列:

[1, 3, 7, 9, 21, 27, 41, 59, 63, 123, 177, 189, 287, 369, 413, 531, 861, 1107, 1239, 1593, 1681, 2419, 2583, 3717, 5043, 7257, 7749, 11151, 11767, 15129, 16933, 21771, 35301, 45387, 50799, 65313, 99179, 105903, 152397, 297537, 317709, 457191, 694253, 892611, 2082759, 2677833, 6248277, 18744831]

約数ペア:

[(1, 18744831), (3, 6248277), (7, 2677833), (9, 2082759), (21, 892611), (27, 694253), (41, 457191), (59, 317709), (63, 297537), (123, 152397), (177, 105903), (189, 99179), (287, 65313), (369, 50799), (413, 45387), (531, 35301), (861, 21771), (1107, 16933), (1239, 15129), (1593, 11767), (1681, 11151), (2419, 7749), (2583, 7257), (3717, 5043)]