19380676

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1700

約数の個数: 36

約数和(自身を含む): 40125036

約数和(自身を除く): 20744360

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1621, 1708, 2989, 3242, 5978, 6484, 11347, 11956, 22694, 45388, 79429, 98881, 158858, 197762, 317716, 395524, 692167, 1384334, 2768668, 4845169, 9690338, 19380676]

約数ペア:

[(1, 19380676), (2, 9690338), (4, 4845169), (7, 2768668), (14, 1384334), (28, 692167), (49, 395524), (61, 317716), (98, 197762), (122, 158858), (196, 98881), (244, 79429), (427, 45388), (854, 22694), (1621, 11956), (1708, 11347), (2989, 6484), (3242, 5978)]