19270377

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1238

約数の個数: 36

約数和(自身を含む): 33282756

約数和(自身を除く): 14012379

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1181, 1813, 2331, 3543, 5439, 8267, 10629, 16317, 24801, 43697, 57869, 74403, 131091, 173607, 305879, 393273, 520821, 917637, 2141153, 2752911, 6423459, 19270377]

約数ペア:

[(1, 19270377), (3, 6423459), (7, 2752911), (9, 2141153), (21, 917637), (37, 520821), (49, 393273), (63, 305879), (111, 173607), (147, 131091), (259, 74403), (333, 57869), (441, 43697), (777, 24801), (1181, 16317), (1813, 10629), (2331, 8267), (3543, 5439)]