19206220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 44690688

約数和(自身を除く): 25484468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1303, 1340, 1474, 2606, 2948, 3685, 5212, 6515, 7370, 13030, 14333, 14740, 26060, 28666, 57332, 71665, 87301, 143330, 174602, 286660, 349204, 436505, 873010, 960311, 1746020, 1920622, 3841244, 4801555, 9603110, 19206220]

約数ペア:

[(1, 19206220), (2, 9603110), (4, 4801555), (5, 3841244), (10, 1920622), (11, 1746020), (20, 960311), (22, 873010), (44, 436505), (55, 349204), (67, 286660), (110, 174602), (134, 143330), (220, 87301), (268, 71665), (335, 57332), (670, 28666), (737, 26060), (1303, 14740), (1340, 14333), (1474, 13030), (2606, 7370), (2948, 6515), (3685, 5212)]