2019985191

素因数分解:

$3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{38959}}^1$

素因数の和:39795

約数の個数: 24

約数和(自身を含む): 3338716160

約数和(自身を除く): 1318730969

約数列:

[1, 3, 7, 9, 21, 63, 823, 2469, 5761, 7407, 17283, 38959, 51849, 116877, 272713, 350631, 818139, 2454417, 32063257, 96189771, 224442799, 288569313, 673328397, 2019985191]

約数ペア:

[(1, 2019985191), (3, 673328397), (7, 288569313), (9, 224442799), (21, 96189771), (63, 32063257), (823, 2454417), (2469, 818139), (5761, 350631), (7407, 272713), (17283, 116877), (38959, 51849)]