18618990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47741}}^1$

素因数の和:47764

約数の個数: 32

約数和(自身を含む): 48123936

約数和(自身を除く): 29504946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47741, 95482, 143223, 238705, 286446, 477410, 620633, 716115, 1241266, 1432230, 1861899, 3103165, 3723798, 6206330, 9309495, 18618990]

約数ペア:

[(1, 18618990), (2, 9309495), (3, 6206330), (5, 3723798), (6, 3103165), (10, 1861899), (13, 1432230), (15, 1241266), (26, 716115), (30, 620633), (39, 477410), (65, 286446), (78, 238705), (130, 143223), (195, 95482), (390, 47741)]