19568043

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 33096960

約数和(自身を除く): 13528917

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 101, 103, 171, 209, 303, 309, 627, 909, 927, 1111, 1133, 1881, 1919, 1957, 3333, 3399, 5757, 5871, 9999, 10197, 10403, 17271, 17613, 21109, 21527, 31209, 63327, 64581, 93627, 114433, 189981, 193743, 197657, 343299, 592971, 1029897, 1778913, 2174227, 6522681, 19568043]

約数ペア:

[(1, 19568043), (3, 6522681), (9, 2174227), (11, 1778913), (19, 1029897), (33, 592971), (57, 343299), (99, 197657), (101, 193743), (103, 189981), (171, 114433), (209, 93627), (303, 64581), (309, 63327), (627, 31209), (909, 21527), (927, 21109), (1111, 17613), (1133, 17271), (1881, 10403), (1919, 10197), (1957, 9999), (3333, 5871), (3399, 5757)]