18663824

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 38970720

約数和(自身を除く): 20306896

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1163, 2006, 2326, 4012, 4652, 8024, 9304, 16048, 18608, 19771, 39542, 68617, 79084, 137234, 158168, 274468, 316336, 548936, 1097872, 1166489, 2332978, 4665956, 9331912, 18663824]

約数ペア:

[(1, 18663824), (2, 9331912), (4, 4665956), (8, 2332978), (16, 1166489), (17, 1097872), (34, 548936), (59, 316336), (68, 274468), (118, 158168), (136, 137234), (236, 79084), (272, 68617), (472, 39542), (944, 19771), (1003, 18608), (1163, 16048), (2006, 9304), (2326, 8024), (4012, 4652)]