19491836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53549}}^1$

素因数の和:53573

約数の個数: 24

約数和(自身を含む): 41983200

約数和(自身を除く): 22491364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 53549, 107098, 214196, 374843, 696137, 749686, 1392274, 1499372, 2784548, 4872959, 9745918, 19491836]

約数ペア:

[(1, 19491836), (2, 9745918), (4, 4872959), (7, 2784548), (13, 1499372), (14, 1392274), (26, 749686), (28, 696137), (52, 374843), (91, 214196), (182, 107098), (364, 53549)]