19399988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6899}}^1$

素因数の和:6959

約数の個数: 24

約数和(自身を含む): 36708000

約数和(自身を除く): 17308012

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 6899, 13798, 27596, 131081, 255263, 262162, 510526, 524324, 1021052, 4849997, 9699994, 19399988]

約数ペア:

[(1, 19399988), (2, 9699994), (4, 4849997), (19, 1021052), (37, 524324), (38, 510526), (74, 262162), (76, 255263), (148, 131081), (703, 27596), (1406, 13798), (2812, 6899)]