18298839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 9118761

約数列:

[1, 3, 13, 39, 47, 67, 141, 149, 201, 447, 611, 871, 1833, 1937, 2613, 3149, 5811, 7003, 9447, 9983, 21009, 29949, 40937, 91039, 122811, 129779, 273117, 389337, 469201, 1407603, 6099613, 18298839]

約数ペア:

[(1, 18298839), (3, 6099613), (13, 1407603), (39, 469201), (47, 389337), (67, 273117), (141, 129779), (149, 122811), (201, 91039), (447, 40937), (611, 29949), (871, 21009), (1833, 9983), (1937, 9447), (2613, 7003), (3149, 5811)]