18405912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 34816488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1231, 1246, 1869, 2136, 2462, 2492, 3693, 3738, 4924, 4984, 7386, 7476, 8617, 9848, 14772, 14952, 17234, 25851, 29544, 34468, 51702, 68936, 103404, 109559, 206808, 219118, 328677, 438236, 657354, 766913, 876472, 1314708, 1533826, 2300739, 2629416, 3067652, 4601478, 6135304, 9202956, 18405912]

約数ペア:

[(1, 18405912), (2, 9202956), (3, 6135304), (4, 4601478), (6, 3067652), (7, 2629416), (8, 2300739), (12, 1533826), (14, 1314708), (21, 876472), (24, 766913), (28, 657354), (42, 438236), (56, 328677), (84, 219118), (89, 206808), (168, 109559), (178, 103404), (267, 68936), (356, 51702), (534, 34468), (623, 29544), (712, 25851), (1068, 17234), (1231, 14952), (1246, 14772), (1869, 9848), (2136, 8617), (2462, 7476), (2492, 7386), (3693, 4984), (3738, 4924)]