19641171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 10937517

約数列:

[1, 3, 11, 17, 33, 51, 157, 187, 223, 471, 561, 669, 1727, 2453, 2669, 3791, 5181, 7359, 8007, 11373, 29359, 35011, 41701, 88077, 105033, 125103, 385121, 595187, 1155363, 1785561, 6547057, 19641171]

約数ペア:

[(1, 19641171), (3, 6547057), (11, 1785561), (17, 1155363), (33, 595187), (51, 385121), (157, 125103), (187, 105033), (223, 88077), (471, 41701), (561, 35011), (669, 29359), (1727, 11373), (2453, 8007), (2669, 7359), (3791, 5181)]