19724220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109579}}^1$

素因数の和:109594

約数の個数: 36

約数和(自身を含む): 59830680

約数和(自身を除く): 40106460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109579, 219158, 328737, 438316, 547895, 657474, 986211, 1095790, 1314948, 1643685, 1972422, 2191580, 3287370, 3944844, 4931055, 6574740, 9862110, 19724220]

約数ペア:

[(1, 19724220), (2, 9862110), (3, 6574740), (4, 4931055), (5, 3944844), (6, 3287370), (9, 2191580), (10, 1972422), (12, 1643685), (15, 1314948), (18, 1095790), (20, 986211), (30, 657474), (36, 547895), (45, 438316), (60, 328737), (90, 219158), (180, 109579)]