19722944

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{9941}}^1$

素因数の和:9984

約数の個数: 28

約数和(自身を含む): 40404288

約数和(自身を除く): 20681344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 9941, 19882, 39764, 79528, 159056, 308171, 318112, 616342, 636224, 1232684, 2465368, 4930736, 9861472, 19722944]

約数ペア:

[(1, 19722944), (2, 9861472), (4, 4930736), (8, 2465368), (16, 1232684), (31, 636224), (32, 616342), (62, 318112), (64, 308171), (124, 159056), (248, 79528), (496, 39764), (992, 19882), (1984, 9941)]