19416964

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1987}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 38964800

約数和(自身を除く): 19547836

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 1987, 2443, 3974, 4886, 7948, 9772, 13909, 27818, 55636, 693463, 1386926, 2773852, 4854241, 9708482, 19416964]

約数ペア:

[(1, 19416964), (2, 9708482), (4, 4854241), (7, 2773852), (14, 1386926), (28, 693463), (349, 55636), (698, 27818), (1396, 13909), (1987, 9772), (2443, 7948), (3974, 4886)]