18835020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104639}}^1$

素因数の和:104654

約数の個数: 36

約数和(自身を含む): 57133440

約数和(自身を除く): 38298420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104639, 209278, 313917, 418556, 523195, 627834, 941751, 1046390, 1255668, 1569585, 1883502, 2092780, 3139170, 3767004, 4708755, 6278340, 9417510, 18835020]

約数ペア:

[(1, 18835020), (2, 9417510), (3, 6278340), (4, 4708755), (5, 3767004), (6, 3139170), (9, 2092780), (10, 1883502), (12, 1569585), (15, 1255668), (18, 1046390), (20, 941751), (30, 627834), (36, 523195), (45, 418556), (60, 313917), (90, 209278), (180, 104639)]