19147611

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 31567360

約数和(自身を除く): 12419749

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1297, 2109, 3891, 4921, 9079, 14763, 24643, 27237, 47989, 73929, 143967, 172501, 335923, 517503, 911791, 1007769, 2735373, 6382537, 19147611]

約数ペア:

[(1, 19147611), (3, 6382537), (7, 2735373), (19, 1007769), (21, 911791), (37, 517503), (57, 335923), (111, 172501), (133, 143967), (259, 73929), (399, 47989), (703, 27237), (777, 24643), (1297, 14763), (2109, 9079), (3891, 4921)]