19973324

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1987}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 40078080

約数和(自身を除く): 20104756

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 1987, 2513, 3974, 5026, 7948, 10052, 13909, 27818, 55636, 713333, 1426666, 2853332, 4993331, 9986662, 19973324]

約数ペア:

[(1, 19973324), (2, 9986662), (4, 4993331), (7, 2853332), (14, 1426666), (28, 713333), (359, 55636), (718, 27818), (1436, 13909), (1987, 10052), (2513, 7948), (3974, 5026)]