19660672

素因数分解:

$2^7\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 39382200

約数和(自身を除く): 19721528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 269, 538, 571, 1076, 1142, 2152, 2284, 4304, 4568, 8608, 9136, 17216, 18272, 34432, 36544, 73088, 153599, 307198, 614396, 1228792, 2457584, 4915168, 9830336, 19660672]

約数ペア:

[(1, 19660672), (2, 9830336), (4, 4915168), (8, 2457584), (16, 1228792), (32, 614396), (64, 307198), (128, 153599), (269, 73088), (538, 36544), (571, 34432), (1076, 18272), (1142, 17216), (2152, 9136), (2284, 8608), (4304, 4568)]