1629820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 3603600

約数和(自身を除く): 1973780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4289, 8578, 17156, 21445, 42890, 81491, 85780, 162982, 325964, 407455, 814910, 1629820]

約数ペア:

[(1, 1629820), (2, 814910), (4, 407455), (5, 325964), (10, 162982), (19, 85780), (20, 81491), (38, 42890), (76, 21445), (95, 17156), (190, 8578), (380, 4289)]