19691763

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4283

約数の個数: 32

約数和(自身を含む): 34223616

約数和(自身を除く): 14531853

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4243, 4641, 12729, 29701, 55159, 72131, 89103, 165477, 216393, 386113, 504917, 937703, 1158339, 1514751, 2813109, 6563921, 19691763]

約数ペア:

[(1, 19691763), (3, 6563921), (7, 2813109), (13, 1514751), (17, 1158339), (21, 937703), (39, 504917), (51, 386113), (91, 216393), (119, 165477), (221, 89103), (273, 72131), (357, 55159), (663, 29701), (1547, 12729), (4243, 4641)]