1938638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:619

約数の個数: 16

約数和(自身を含む): 3157056

約数和(自身を除く): 1218418

約数列:

[1, 2, 13, 26, 173, 346, 431, 862, 2249, 4498, 5603, 11206, 74563, 149126, 969319, 1938638]

約数ペア:

[(1, 1938638), (2, 969319), (13, 149126), (26, 74563), (173, 11206), (346, 5603), (431, 4498), (862, 2249)]