31815190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7817}}^1$

素因数の和:7872

約数の個数: 32

約数和(自身を含む): 64170144

約数和(自身を除く): 32354954

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 7817, 15634, 39085, 78170, 85987, 171974, 289229, 429935, 578458, 859870, 1446145, 2892290, 3181519, 6363038, 15907595, 31815190]

約数ペア:

[(1, 31815190), (2, 15907595), (5, 6363038), (10, 3181519), (11, 2892290), (22, 1446145), (37, 859870), (55, 578458), (74, 429935), (110, 289229), (185, 171974), (370, 85987), (407, 78170), (814, 39085), (2035, 15634), (4070, 7817)]