18332912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1737

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 20664592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1663, 2756, 3326, 5512, 6652, 11024, 13304, 21619, 26608, 43238, 86476, 88139, 172952, 176278, 345904, 352556, 705112, 1145807, 1410224, 2291614, 4583228, 9166456, 18332912]

約数ペア:

[(1, 18332912), (2, 9166456), (4, 4583228), (8, 2291614), (13, 1410224), (16, 1145807), (26, 705112), (52, 352556), (53, 345904), (104, 176278), (106, 172952), (208, 88139), (212, 86476), (424, 43238), (689, 26608), (848, 21619), (1378, 13304), (1663, 11024), (2756, 6652), (3326, 5512)]