19816396

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 36162000

約数和(自身を除く): 16345604

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 1229, 2458, 4031, 4916, 8062, 16124, 35641, 71282, 142564, 170831, 341662, 683324, 4954099, 9908198, 19816396]

約数ペア:

[(1, 19816396), (2, 9908198), (4, 4954099), (29, 683324), (58, 341662), (116, 170831), (139, 142564), (278, 71282), (556, 35641), (1229, 16124), (2458, 8062), (4031, 4916)]