19600856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 42382440

約数和(自身を除く): 22781584

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 617, 722, 836, 1234, 1444, 1672, 2468, 2888, 3971, 4936, 6787, 7942, 11723, 13574, 15884, 23446, 27148, 31768, 46892, 54296, 93784, 128953, 222737, 257906, 445474, 515812, 890948, 1031624, 1781896, 2450107, 4900214, 9800428, 19600856]

約数ペア:

[(1, 19600856), (2, 9800428), (4, 4900214), (8, 2450107), (11, 1781896), (19, 1031624), (22, 890948), (38, 515812), (44, 445474), (76, 257906), (88, 222737), (152, 128953), (209, 93784), (361, 54296), (418, 46892), (617, 31768), (722, 27148), (836, 23446), (1234, 15884), (1444, 13574), (1672, 11723), (2468, 7942), (2888, 6787), (3971, 4936)]