18818474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1973}}^1$

素因数の和:2245

約数の個数: 16

約数和(自身を含む): 29846880

約数和(自身を除く): 11028406

約数列:

[1, 2, 19, 38, 251, 502, 1973, 3946, 4769, 9538, 37487, 74974, 495223, 990446, 9409237, 18818474]

約数ペア:

[(1, 18818474), (2, 9409237), (19, 990446), (38, 495223), (251, 74974), (502, 37487), (1973, 9538), (3946, 4769)]