19553996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63487}}^1$

素因数の和:63509

約数の個数: 24

約数和(自身を含む): 42663936

約数和(自身を除く): 23109940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 63487, 126974, 253948, 444409, 698357, 888818, 1396714, 1777636, 2793428, 4888499, 9776998, 19553996]

約数ペア:

[(1, 19553996), (2, 9776998), (4, 4888499), (7, 2793428), (11, 1777636), (14, 1396714), (22, 888818), (28, 698357), (44, 444409), (77, 253948), (154, 126974), (308, 63487)]