18550170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:2987

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 30376422

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 2903, 3195, 5806, 6390, 8709, 14515, 17418, 26127, 29030, 43545, 52254, 87090, 130635, 206113, 261270, 412226, 618339, 1030565, 1236678, 1855017, 2061130, 3091695, 3710034, 6183390, 9275085, 18550170]

約数ペア:

[(1, 18550170), (2, 9275085), (3, 6183390), (5, 3710034), (6, 3091695), (9, 2061130), (10, 1855017), (15, 1236678), (18, 1030565), (30, 618339), (45, 412226), (71, 261270), (90, 206113), (142, 130635), (213, 87090), (355, 52254), (426, 43545), (639, 29030), (710, 26127), (1065, 17418), (1278, 14515), (2130, 8709), (2903, 6390), (3195, 5806)]