18001204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:920

約数の個数: 36

約数和(自身を含む): 35253120

約数和(自身を除く): 17251916

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 859, 1612, 1718, 3436, 5239, 10478, 11167, 20956, 22334, 26629, 44668, 53258, 106516, 145171, 290342, 346177, 580684, 692354, 1384708, 4500301, 9000602, 18001204]

約数ペア:

[(1, 18001204), (2, 9000602), (4, 4500301), (13, 1384708), (26, 692354), (31, 580684), (52, 346177), (62, 290342), (124, 145171), (169, 106516), (338, 53258), (403, 44668), (676, 26629), (806, 22334), (859, 20956), (1612, 11167), (1718, 10478), (3436, 5239)]