18894080360

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3128159}}^1$

素因数の和:3128321

約数の個数: 32

約数和(自身を含む): 42793228800

約数和(自身を除く): 23899148440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 3128159, 6256318, 12512636, 15640795, 25025272, 31281590, 62563180, 125126360, 472352009, 944704018, 1889408036, 2361760045, 3778816072, 4723520090, 9447040180, 18894080360]

約数ペア:

[(1, 18894080360), (2, 9447040180), (4, 4723520090), (5, 3778816072), (8, 2361760045), (10, 1889408036), (20, 944704018), (40, 472352009), (151, 125126360), (302, 62563180), (604, 31281590), (755, 25025272), (1208, 15640795), (1510, 12512636), (3020, 6256318), (6040, 3128159)]