18517140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 40269420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 647, 795, 954, 1060, 1294, 1431, 1590, 1908, 1941, 2385, 2588, 2862, 3180, 3235, 3882, 4770, 5724, 5823, 6470, 7155, 7764, 9540, 9705, 11646, 12940, 14310, 17469, 19410, 23292, 28620, 29115, 34291, 34938, 38820, 58230, 68582, 69876, 87345, 102873, 116460, 137164, 171455, 174690, 205746, 308619, 342910, 349380, 411492, 514365, 617238, 685820, 925857, 1028730, 1234476, 1543095, 1851714, 2057460, 3086190, 3703428, 4629285, 6172380, 9258570, 18517140]

約数ペア:

[(1, 18517140), (2, 9258570), (3, 6172380), (4, 4629285), (5, 3703428), (6, 3086190), (9, 2057460), (10, 1851714), (12, 1543095), (15, 1234476), (18, 1028730), (20, 925857), (27, 685820), (30, 617238), (36, 514365), (45, 411492), (53, 349380), (54, 342910), (60, 308619), (90, 205746), (106, 174690), (108, 171455), (135, 137164), (159, 116460), (180, 102873), (212, 87345), (265, 69876), (270, 68582), (318, 58230), (477, 38820), (530, 34938), (540, 34291), (636, 29115), (647, 28620), (795, 23292), (954, 19410), (1060, 17469), (1294, 14310), (1431, 12940), (1590, 11646), (1908, 9705), (1941, 9540), (2385, 7764), (2588, 7155), (2862, 6470), (3180, 5823), (3235, 5724), (3882, 4770)]