18265973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 4595467

約数列:

[1, 11, 17, 19, 53, 97, 187, 209, 323, 583, 901, 1007, 1067, 1649, 1843, 3553, 5141, 9911, 11077, 17119, 18139, 20273, 31331, 56551, 87397, 97679, 188309, 344641, 961367, 1074469, 1660543, 18265973]

約数ペア:

[(1, 18265973), (11, 1660543), (17, 1074469), (19, 961367), (53, 344641), (97, 188309), (187, 97679), (209, 87397), (323, 56551), (583, 31331), (901, 20273), (1007, 18139), (1067, 17119), (1649, 11077), (1843, 9911), (3553, 5141)]