19839363

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 29913600

約数和(自身を除く): 10074237

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 409, 437, 703, 851, 1227, 1311, 2109, 2553, 7771, 9407, 15133, 16169, 23313, 28221, 45399, 48507, 178733, 287527, 348059, 536199, 862581, 1044177, 6613121, 19839363]

約数ペア:

[(1, 19839363), (3, 6613121), (19, 1044177), (23, 862581), (37, 536199), (57, 348059), (69, 287527), (111, 178733), (409, 48507), (437, 45399), (703, 28221), (851, 23313), (1227, 16169), (1311, 15133), (2109, 9407), (2553, 7771)]