19680322

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 24

約数和(自身を含む): 31829760

約数和(自身を除く): 12149438

約数列:

[1, 2, 17, 34, 79, 158, 289, 431, 578, 862, 1343, 2686, 7327, 14654, 22831, 34049, 45662, 68098, 124559, 249118, 578833, 1157666, 9840161, 19680322]

約数ペア:

[(1, 19680322), (2, 9840161), (17, 1157666), (34, 578833), (79, 249118), (158, 124559), (289, 68098), (431, 45662), (578, 34049), (862, 22831), (1343, 14654), (2686, 7327)]