19628609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19640

約数の個数: 16

約数和(自身を含む): 26355840

約数和(自身を除く): 6727231

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19609, 137263, 215699, 254917, 1509893, 1784419, 2804087, 19628609]

約数ペア:

[(1, 19628609), (7, 2804087), (11, 1784419), (13, 1509893), (77, 254917), (91, 215699), (143, 137263), (1001, 19609)]