18883090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 36208944

約数和(自身を除く): 17325854

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 401, 554, 802, 1385, 2005, 2770, 4010, 4709, 6817, 9418, 13634, 23545, 34085, 47090, 68170, 111077, 222154, 555385, 1110770, 1888309, 3776618, 9441545, 18883090]

約数ペア:

[(1, 18883090), (2, 9441545), (5, 3776618), (10, 1888309), (17, 1110770), (34, 555385), (85, 222154), (170, 111077), (277, 68170), (401, 47090), (554, 34085), (802, 23545), (1385, 13634), (2005, 9418), (2770, 6817), (4010, 4709)]