19881834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473377}}^1$

素因数の和:473389

約数の個数: 16

約数和(自身を含む): 45444288

約数和(自身を除く): 25562454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473377, 946754, 1420131, 2840262, 3313639, 6627278, 9940917, 19881834]

約数ペア:

[(1, 19881834), (2, 9940917), (3, 6627278), (6, 3313639), (7, 2840262), (14, 1420131), (21, 946754), (42, 473377)]