18991401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{44269}}^1$

素因数の和:44296

約数の個数: 16

約数和(自身を含む): 29749440

約数和(自身を除く): 10758039

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 44269, 132807, 486959, 575497, 1460877, 1726491, 6330467, 18991401]

約数ペア:

[(1, 18991401), (3, 6330467), (11, 1726491), (13, 1460877), (33, 575497), (39, 486959), (143, 132807), (429, 44269)]