19197808

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 44273952

約数和(自身を除く): 25076144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 521, 658, 752, 784, 1042, 1316, 2084, 2303, 2632, 3647, 4168, 4606, 5264, 7294, 8336, 9212, 14588, 18424, 24487, 25529, 29176, 36848, 48974, 51058, 58352, 97948, 102116, 171409, 195896, 204232, 342818, 391792, 408464, 685636, 1199863, 1371272, 2399726, 2742544, 4799452, 9598904, 19197808]

約数ペア:

[(1, 19197808), (2, 9598904), (4, 4799452), (7, 2742544), (8, 2399726), (14, 1371272), (16, 1199863), (28, 685636), (47, 408464), (49, 391792), (56, 342818), (94, 204232), (98, 195896), (112, 171409), (188, 102116), (196, 97948), (329, 58352), (376, 51058), (392, 48974), (521, 36848), (658, 29176), (752, 25529), (784, 24487), (1042, 18424), (1316, 14588), (2084, 9212), (2303, 8336), (2632, 7294), (3647, 5264), (4168, 4606)]