18980460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35149}}^1$

素因数の和:35167

約数の個数: 48

約数和(自身を含む): 59052000

約数和(自身を除く): 40071540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35149, 70298, 105447, 140596, 175745, 210894, 316341, 351490, 421788, 527235, 632682, 702980, 949023, 1054470, 1265364, 1581705, 1898046, 2108940, 3163410, 3796092, 4745115, 6326820, 9490230, 18980460]

約数ペア:

[(1, 18980460), (2, 9490230), (3, 6326820), (4, 4745115), (5, 3796092), (6, 3163410), (9, 2108940), (10, 1898046), (12, 1581705), (15, 1265364), (18, 1054470), (20, 949023), (27, 702980), (30, 632682), (36, 527235), (45, 421788), (54, 351490), (60, 316341), (90, 210894), (108, 175745), (135, 140596), (180, 105447), (270, 70298), (540, 35149)]