19920440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7433}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 45496080

約数和(自身を除く): 25575640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7433, 14866, 29732, 37165, 59464, 74330, 148660, 297320, 498011, 996022, 1992044, 2490055, 3984088, 4980110, 9960220, 19920440]

約数ペア:

[(1, 19920440), (2, 9960220), (4, 4980110), (5, 3984088), (8, 2490055), (10, 1992044), (20, 996022), (40, 498011), (67, 297320), (134, 148660), (268, 74330), (335, 59464), (536, 37165), (670, 29732), (1340, 14866), (2680, 7433)]