19981668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{237877}}^1$

素因数の和:237891

約数の個数: 24

約数和(自身を含む): 53284672

約数和(自身を除く): 33303004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 237877, 475754, 713631, 951508, 1427262, 1665139, 2854524, 3330278, 4995417, 6660556, 9990834, 19981668]

約数ペア:

[(1, 19981668), (2, 9990834), (3, 6660556), (4, 4995417), (6, 3330278), (7, 2854524), (12, 1665139), (14, 1427262), (21, 951508), (28, 713631), (42, 475754), (84, 237877)]