19551249

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 29451240

約数和(自身を除く): 9899991

約数列:

[1, 3, 9, 29, 87, 173, 261, 433, 519, 1299, 1557, 3897, 5017, 12557, 15051, 37671, 45153, 74909, 113013, 224727, 674181, 2172361, 6517083, 19551249]

約数ペア:

[(1, 19551249), (3, 6517083), (9, 2172361), (29, 674181), (87, 224727), (173, 113013), (261, 74909), (433, 45153), (519, 37671), (1299, 15051), (1557, 12557), (3897, 5017)]