19713420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109519}}^1$

素因数の和:109534

約数の個数: 36

約数和(自身を含む): 59797920

約数和(自身を除く): 40084500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109519, 219038, 328557, 438076, 547595, 657114, 985671, 1095190, 1314228, 1642785, 1971342, 2190380, 3285570, 3942684, 4928355, 6571140, 9856710, 19713420]

約数ペア:

[(1, 19713420), (2, 9856710), (3, 6571140), (4, 4928355), (5, 3942684), (6, 3285570), (9, 2190380), (10, 1971342), (12, 1642785), (15, 1314228), (18, 1095190), (20, 985671), (30, 657114), (36, 547595), (45, 438076), (60, 328557), (90, 219038), (180, 109519)]