18975964

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1657}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 38067680

約数和(自身を除く): 19091716

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 1657, 2863, 3314, 5726, 6628, 11452, 11599, 23198, 46396, 677713, 1355426, 2710852, 4743991, 9487982, 18975964]

約数ペア:

[(1, 18975964), (2, 9487982), (4, 4743991), (7, 2710852), (14, 1355426), (28, 677713), (409, 46396), (818, 23198), (1636, 11599), (1657, 11452), (2863, 6628), (3314, 5726)]