18894094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12209906

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 149, 298, 893, 1349, 1786, 2698, 2831, 3337, 5662, 6674, 7003, 10579, 14006, 21158, 63403, 126806, 133057, 201001, 266114, 402002, 497213, 994426, 9447047, 18894094]

約数ペア:

[(1, 18894094), (2, 9447047), (19, 994426), (38, 497213), (47, 402002), (71, 266114), (94, 201001), (142, 133057), (149, 126806), (298, 63403), (893, 21158), (1349, 14006), (1786, 10579), (2698, 7003), (2831, 6674), (3337, 5662)]