16665606

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 37234080

約数和(自身を除く): 20568474

約数列:

[1, 2, 3, 6, 9, 18, 89, 101, 103, 178, 202, 206, 267, 303, 309, 534, 606, 618, 801, 909, 927, 1602, 1818, 1854, 8989, 9167, 10403, 17978, 18334, 20806, 26967, 27501, 31209, 53934, 55002, 62418, 80901, 82503, 93627, 161802, 165006, 187254, 925867, 1851734, 2777601, 5555202, 8332803, 16665606]

約数ペア:

[(1, 16665606), (2, 8332803), (3, 5555202), (6, 2777601), (9, 1851734), (18, 925867), (89, 187254), (101, 165006), (103, 161802), (178, 93627), (202, 82503), (206, 80901), (267, 62418), (303, 55002), (309, 53934), (534, 31209), (606, 27501), (618, 26967), (801, 20806), (909, 18334), (927, 17978), (1602, 10403), (1818, 9167), (1854, 8989)]