18491013

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 27518400

約数和(自身を除く): 9027387

約数列:

[1, 3, 9, 59, 97, 177, 291, 359, 531, 873, 1077, 3231, 5723, 17169, 21181, 34823, 51507, 63543, 104469, 190629, 313407, 2054557, 6163671, 18491013]

約数ペア:

[(1, 18491013), (3, 6163671), (9, 2054557), (59, 313407), (97, 190629), (177, 104469), (291, 63543), (359, 51507), (531, 34823), (873, 21181), (1077, 17169), (3231, 5723)]