19644516

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2447}}^1$

素因数の和:2680

約数の個数: 36

約数和(自身を含む): 49900032

約数和(自身を除く): 30255516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2447, 2676, 4014, 4894, 7341, 8028, 9788, 14682, 22023, 29364, 44046, 88092, 545681, 1091362, 1637043, 2182724, 3274086, 4911129, 6548172, 9822258, 19644516]

約数ペア:

[(1, 19644516), (2, 9822258), (3, 6548172), (4, 4911129), (6, 3274086), (9, 2182724), (12, 1637043), (18, 1091362), (36, 545681), (223, 88092), (446, 44046), (669, 29364), (892, 22023), (1338, 14682), (2007, 9788), (2447, 8028), (2676, 7341), (4014, 4894)]