19732864

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4973}}^1$

素因数の和:5018

約数の個数: 32

約数和(自身を含む): 40587840

約数和(自身を除く): 20854976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4973, 9946, 19892, 39784, 79568, 154163, 159136, 308326, 318272, 616652, 636544, 1233304, 2466608, 4933216, 9866432, 19732864]

約数ペア:

[(1, 19732864), (2, 9866432), (4, 4933216), (8, 2466608), (16, 1233304), (31, 636544), (32, 616652), (62, 318272), (64, 308326), (124, 159136), (128, 154163), (248, 79568), (496, 39784), (992, 19892), (1984, 9946), (3968, 4973)]