12931780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{34031}}^1$

素因数の和:34059

約数の個数: 24

約数和(自身を含む): 28586880

約数和(自身を除く): 15655100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 34031, 68062, 136124, 170155, 340310, 646589, 680620, 1293178, 2586356, 3232945, 6465890, 12931780]

約数ペア:

[(1, 12931780), (2, 6465890), (4, 3232945), (5, 2586356), (10, 1293178), (19, 680620), (20, 646589), (38, 340310), (76, 170155), (95, 136124), (190, 68062), (380, 34031)]