18125734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 31599360

約数和(自身を除く): 13473626

約数列:

[1, 2, 11, 19, 22, 38, 103, 206, 209, 418, 421, 842, 1133, 1957, 2266, 3914, 4631, 7999, 9262, 15998, 21527, 43054, 43363, 86726, 87989, 175978, 476993, 823897, 953986, 1647794, 9062867, 18125734]

約数ペア:

[(1, 18125734), (2, 9062867), (11, 1647794), (19, 953986), (22, 823897), (38, 476993), (103, 175978), (206, 87989), (209, 86726), (418, 43363), (421, 43054), (842, 21527), (1133, 15998), (1957, 9262), (2266, 7999), (3914, 4631)]