17937990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9491}}^1$

素因数の和:9514

約数の個数: 64

約数和(自身を含む): 54673920

約数和(自身を除く): 36735930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9491, 18982, 28473, 47455, 56946, 66437, 85419, 94910, 132874, 142365, 170838, 199311, 256257, 284730, 332185, 398622, 427095, 512514, 597933, 664370, 854190, 996555, 1195866, 1281285, 1793799, 1993110, 2562570, 2989665, 3587598, 5979330, 8968995, 17937990]

約数ペア:

[(1, 17937990), (2, 8968995), (3, 5979330), (5, 3587598), (6, 2989665), (7, 2562570), (9, 1993110), (10, 1793799), (14, 1281285), (15, 1195866), (18, 996555), (21, 854190), (27, 664370), (30, 597933), (35, 512514), (42, 427095), (45, 398622), (54, 332185), (63, 284730), (70, 256257), (90, 199311), (105, 170838), (126, 142365), (135, 132874), (189, 94910), (210, 85419), (270, 66437), (315, 56946), (378, 47455), (630, 28473), (945, 18982), (1890, 9491)]