18409937

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{28901}}^1$

素因数の和:28928

約数の個数: 12

約数和(自身を含む): 23063796

約数和(自身を除く): 4653859

約数列:

[1, 7, 13, 49, 91, 637, 28901, 202307, 375713, 1416149, 2629991, 18409937]

約数ペア:

[(1, 18409937), (7, 2629991), (13, 1416149), (49, 375713), (91, 202307), (637, 28901)]