19428365

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 27147960

約数和(自身を除く): 7719595

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 1889, 2057, 9445, 10285, 20779, 32113, 103895, 160565, 228569, 353243, 1142845, 1766215, 3885673, 19428365]

約数ペア:

[(1, 19428365), (5, 3885673), (11, 1766215), (17, 1142845), (55, 353243), (85, 228569), (121, 160565), (187, 103895), (605, 32113), (935, 20779), (1889, 10285), (2057, 9445)]