19805612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6197}}^1$

素因数の和:6265

約数の個数: 24

約数和(自身を含む): 37485504

約数和(自身を除く): 17679892

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6197, 12394, 24788, 105349, 210698, 291259, 421396, 582518, 1165036, 4951403, 9902806, 19805612]

約数ペア:

[(1, 19805612), (2, 9902806), (4, 4951403), (17, 1165036), (34, 582518), (47, 421396), (68, 291259), (94, 210698), (188, 105349), (799, 24788), (1598, 12394), (3196, 6197)]