19940120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26237}}^1$

素因数の和:26267

約数の個数: 32

約数和(自身を含む): 47228400

約数和(自身を除く): 27288280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26237, 52474, 104948, 131185, 209896, 262370, 498503, 524740, 997006, 1049480, 1994012, 2492515, 3988024, 4985030, 9970060, 19940120]

約数ペア:

[(1, 19940120), (2, 9970060), (4, 4985030), (5, 3988024), (8, 2492515), (10, 1994012), (19, 1049480), (20, 997006), (38, 524740), (40, 498503), (76, 262370), (95, 209896), (152, 131185), (190, 104948), (380, 52474), (760, 26237)]