18740864

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4723}}^1$

素因数の和:4768

約数の個数: 32

約数和(自身を含む): 38547840

約数和(自身を除く): 19806976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4723, 9446, 18892, 37784, 75568, 146413, 151136, 292826, 302272, 585652, 604544, 1171304, 2342608, 4685216, 9370432, 18740864]

約数ペア:

[(1, 18740864), (2, 9370432), (4, 4685216), (8, 2342608), (16, 1171304), (31, 604544), (32, 585652), (62, 302272), (64, 292826), (124, 151136), (128, 146413), (248, 75568), (496, 37784), (992, 18892), (1984, 9446), (3968, 4723)]