18842979

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 25692800

約数和(自身を除く): 6849821

約数列:

[1, 3, 73, 139, 219, 417, 619, 1857, 10147, 30441, 45187, 86041, 135561, 258123, 6280993, 18842979]

約数ペア:

[(1, 18842979), (3, 6280993), (73, 258123), (139, 135561), (219, 86041), (417, 45187), (619, 30441), (1857, 10147)]