18115718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 11433082

約数列:

[1, 2, 31, 37, 53, 62, 74, 106, 149, 298, 1147, 1643, 1961, 2294, 3286, 3922, 4619, 5513, 7897, 9238, 11026, 15794, 60791, 121582, 170903, 244807, 292189, 341806, 489614, 584378, 9057859, 18115718]

約数ペア:

[(1, 18115718), (2, 9057859), (31, 584378), (37, 489614), (53, 341806), (62, 292189), (74, 244807), (106, 170903), (149, 121582), (298, 60791), (1147, 15794), (1643, 11026), (1961, 9238), (2294, 7897), (3286, 5513), (3922, 4619)]