18865386

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1268

約数の個数: 40

約数和(自身を含む): 42728004

約数和(自身を除く): 23862618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1153, 1818, 2306, 2727, 3459, 5454, 6918, 8181, 10377, 16362, 20754, 31131, 62262, 93393, 116453, 186786, 232906, 349359, 698718, 1048077, 2096154, 3144231, 6288462, 9432693, 18865386]

約数ペア:

[(1, 18865386), (2, 9432693), (3, 6288462), (6, 3144231), (9, 2096154), (18, 1048077), (27, 698718), (54, 349359), (81, 232906), (101, 186786), (162, 116453), (202, 93393), (303, 62262), (606, 31131), (909, 20754), (1153, 16362), (1818, 10377), (2306, 8181), (2727, 6918), (3459, 5454)]