18715136

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3323}}^1$

素因数の和:3352

約数の個数: 40

約数和(自身を含む): 40805424

約数和(自身を除く): 22090288

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3323, 5632, 6646, 13292, 26584, 36553, 53168, 73106, 106336, 146212, 212672, 292424, 425344, 584848, 850688, 1169696, 1701376, 2339392, 4678784, 9357568, 18715136]

約数ペア:

[(1, 18715136), (2, 9357568), (4, 4678784), (8, 2339392), (11, 1701376), (16, 1169696), (22, 850688), (32, 584848), (44, 425344), (64, 292424), (88, 212672), (128, 146212), (176, 106336), (256, 73106), (352, 53168), (512, 36553), (704, 26584), (1408, 13292), (2816, 6646), (3323, 5632)]