12695420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33409}}^1$

素因数の和:33437

約数の個数: 24

約数和(自身を含む): 28064400

約数和(自身を除く): 15368980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33409, 66818, 133636, 167045, 334090, 634771, 668180, 1269542, 2539084, 3173855, 6347710, 12695420]

約数ペア:

[(1, 12695420), (2, 6347710), (4, 3173855), (5, 2539084), (10, 1269542), (19, 668180), (20, 634771), (38, 334090), (76, 167045), (95, 133636), (190, 66818), (380, 33409)]