18968310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 32042250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 431, 489, 815, 862, 978, 1293, 1467, 1630, 2155, 2445, 2586, 2934, 3879, 4310, 4401, 4890, 6465, 7335, 7758, 8802, 11637, 12930, 14670, 19395, 22005, 23274, 38790, 44010, 58185, 70253, 116370, 140506, 210759, 351265, 421518, 632277, 702530, 1053795, 1264554, 1896831, 2107590, 3161385, 3793662, 6322770, 9484155, 18968310]

約数ペア:

[(1, 18968310), (2, 9484155), (3, 6322770), (5, 3793662), (6, 3161385), (9, 2107590), (10, 1896831), (15, 1264554), (18, 1053795), (27, 702530), (30, 632277), (45, 421518), (54, 351265), (90, 210759), (135, 140506), (163, 116370), (270, 70253), (326, 58185), (431, 44010), (489, 38790), (815, 23274), (862, 22005), (978, 19395), (1293, 14670), (1467, 12930), (1630, 11637), (2155, 8802), (2445, 7758), (2586, 7335), (2934, 6465), (3879, 4890), (4310, 4401)]