19677776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42409}}^1$

素因数の和:42446

約数の個数: 20

約数和(自身を含む): 39441300

約数和(自身を除く): 19763524

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42409, 84818, 169636, 339272, 678544, 1229861, 2459722, 4919444, 9838888, 19677776]

約数ペア:

[(1, 19677776), (2, 9838888), (4, 4919444), (8, 2459722), (16, 1229861), (29, 678544), (58, 339272), (116, 169636), (232, 84818), (464, 42409)]