15990290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 30862080

約数和(自身を除く): 14871790

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 1879, 3758, 4255, 8510, 9395, 18790, 43217, 69523, 86434, 139046, 216085, 347615, 432170, 695230, 1599029, 3198058, 7995145, 15990290]

約数ペア:

[(1, 15990290), (2, 7995145), (5, 3198058), (10, 1599029), (23, 695230), (37, 432170), (46, 347615), (74, 216085), (115, 139046), (185, 86434), (230, 69523), (370, 43217), (851, 18790), (1702, 9395), (1879, 8510), (3758, 4255)]