19029885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 37526976

約数和(自身を除く): 18497091

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1523, 1785, 2499, 4165, 4569, 7615, 10661, 12495, 22845, 25891, 31983, 53305, 74627, 77673, 129455, 159915, 181237, 223881, 373135, 388365, 543711, 906185, 1119405, 1268659, 2718555, 3805977, 6343295, 19029885]

約数ペア:

[(1, 19029885), (3, 6343295), (5, 3805977), (7, 2718555), (15, 1268659), (17, 1119405), (21, 906185), (35, 543711), (49, 388365), (51, 373135), (85, 223881), (105, 181237), (119, 159915), (147, 129455), (245, 77673), (255, 74627), (357, 53305), (595, 31983), (735, 25891), (833, 22845), (1523, 12495), (1785, 10661), (2499, 7615), (4165, 4569)]