9818180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 22208256

約数和(自身を除く): 12390076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 431, 670, 862, 1139, 1340, 1724, 2155, 2278, 4310, 4556, 5695, 7327, 8620, 11390, 14654, 22780, 28877, 29308, 36635, 57754, 73270, 115508, 144385, 146540, 288770, 490909, 577540, 981818, 1963636, 2454545, 4909090, 9818180]

約数ペア:

[(1, 9818180), (2, 4909090), (4, 2454545), (5, 1963636), (10, 981818), (17, 577540), (20, 490909), (34, 288770), (67, 146540), (68, 144385), (85, 115508), (134, 73270), (170, 57754), (268, 36635), (335, 29308), (340, 28877), (431, 22780), (670, 14654), (862, 11390), (1139, 8620), (1340, 7327), (1724, 5695), (2155, 4556), (2278, 4310)]