19198680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 38862120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1151, 1390, 1668, 2085, 2302, 2780, 3336, 3453, 4170, 4604, 5560, 5755, 6906, 8340, 9208, 11510, 13812, 16680, 17265, 23020, 27624, 34530, 46040, 69060, 138120, 159989, 319978, 479967, 639956, 799945, 959934, 1279912, 1599890, 1919868, 2399835, 3199780, 3839736, 4799670, 6399560, 9599340, 19198680]

約数ペア:

[(1, 19198680), (2, 9599340), (3, 6399560), (4, 4799670), (5, 3839736), (6, 3199780), (8, 2399835), (10, 1919868), (12, 1599890), (15, 1279912), (20, 959934), (24, 799945), (30, 639956), (40, 479967), (60, 319978), (120, 159989), (139, 138120), (278, 69060), (417, 46040), (556, 34530), (695, 27624), (834, 23020), (1112, 17265), (1151, 16680), (1390, 13812), (1668, 11510), (2085, 9208), (2302, 8340), (2780, 6906), (3336, 5755), (3453, 5560), (4170, 4604)]