18904140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105023}}^1$

素因数の和:105038

約数の個数: 36

約数和(自身を含む): 57343104

約数和(自身を除く): 38438964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105023, 210046, 315069, 420092, 525115, 630138, 945207, 1050230, 1260276, 1575345, 1890414, 2100460, 3150690, 3780828, 4726035, 6301380, 9452070, 18904140]

約数ペア:

[(1, 18904140), (2, 9452070), (3, 6301380), (4, 4726035), (5, 3780828), (6, 3150690), (9, 2100460), (10, 1890414), (12, 1575345), (15, 1260276), (18, 1050230), (20, 945207), (30, 630138), (36, 525115), (45, 420092), (60, 315069), (90, 210046), (180, 105023)]