18397184

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 39672360

約数和(自身を除く): 21275176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 691, 832, 1024, 1382, 1664, 2048, 2764, 3328, 5528, 6656, 8983, 11056, 13312, 17966, 22112, 26624, 35932, 44224, 71864, 88448, 143728, 176896, 287456, 353792, 574912, 707584, 1149824, 1415168, 2299648, 4599296, 9198592, 18397184]

約数ペア:

[(1, 18397184), (2, 9198592), (4, 4599296), (8, 2299648), (13, 1415168), (16, 1149824), (26, 707584), (32, 574912), (52, 353792), (64, 287456), (104, 176896), (128, 143728), (208, 88448), (256, 71864), (416, 44224), (512, 35932), (691, 26624), (832, 22112), (1024, 17966), (1382, 13312), (1664, 11056), (2048, 8983), (2764, 6656), (3328, 5528)]