18505772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6581}}^1$

素因数の和:6641

約数の個数: 24

約数和(自身を含む): 35016240

約数和(自身を除く): 16510468

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 6581, 13162, 26324, 125039, 243497, 250078, 486994, 500156, 973988, 4626443, 9252886, 18505772]

約数ペア:

[(1, 18505772), (2, 9252886), (4, 4626443), (19, 973988), (37, 500156), (38, 486994), (74, 250078), (76, 243497), (148, 125039), (703, 26324), (1406, 13162), (2812, 6581)]