19837419

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 32288256

約数和(自身を除く): 12450837

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 307, 357, 543, 921, 1267, 2149, 3077, 3801, 5219, 6447, 9231, 15657, 21539, 36533, 55567, 64617, 109599, 166701, 388969, 944639, 1166907, 2833917, 6612473, 19837419]

約数ペア:

[(1, 19837419), (3, 6612473), (7, 2833917), (17, 1166907), (21, 944639), (51, 388969), (119, 166701), (181, 109599), (307, 64617), (357, 55567), (543, 36533), (921, 21539), (1267, 15657), (2149, 9231), (3077, 6447), (3801, 5219)]