18629644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 36480304

約数和(自身を除く): 17850660

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 631, 671, 1262, 1342, 2524, 2684, 6941, 7381, 13882, 14762, 27764, 29524, 38491, 76351, 76982, 152702, 153964, 305404, 423401, 846802, 1693604, 4657411, 9314822, 18629644]

約数ペア:

[(1, 18629644), (2, 9314822), (4, 4657411), (11, 1693604), (22, 846802), (44, 423401), (61, 305404), (121, 153964), (122, 152702), (242, 76982), (244, 76351), (484, 38491), (631, 29524), (671, 27764), (1262, 14762), (1342, 13882), (2524, 7381), (2684, 6941)]