18750644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2084

約数の個数: 36

約数和(自身を含む): 37984800

約数和(自身を除く): 19234156

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2039, 2299, 4078, 4598, 8156, 9196, 22429, 38741, 44858, 77482, 89716, 154964, 246719, 426151, 493438, 852302, 986876, 1704604, 4687661, 9375322, 18750644]

約数ペア:

[(1, 18750644), (2, 9375322), (4, 4687661), (11, 1704604), (19, 986876), (22, 852302), (38, 493438), (44, 426151), (76, 246719), (121, 154964), (209, 89716), (242, 77482), (418, 44858), (484, 38741), (836, 22429), (2039, 9196), (2299, 8156), (4078, 4598)]