19400854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28447}}^1$

素因数の和:28491

約数の個数: 16

約数和(自身を含む): 32772096

約数和(自身を除く): 13371242

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28447, 56894, 312917, 625834, 881857, 1763714, 9700427, 19400854]

約数ペア:

[(1, 19400854), (2, 9700427), (11, 1763714), (22, 881857), (31, 625834), (62, 312917), (341, 56894), (682, 28447)]