18905728

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 19087232

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1163, 2032, 2326, 4064, 4652, 8128, 9304, 16256, 18608, 37216, 74432, 147701, 148864, 295402, 590804, 1181608, 2363216, 4726432, 9452864, 18905728]

約数ペア:

[(1, 18905728), (2, 9452864), (4, 4726432), (8, 2363216), (16, 1181608), (32, 590804), (64, 295402), (127, 148864), (128, 147701), (254, 74432), (508, 37216), (1016, 18608), (1163, 16256), (2032, 9304), (2326, 8128), (4064, 4652)]