18090420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13109}}^1$

素因数の和:13144

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 34769100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13109, 26218, 39327, 52436, 65545, 78654, 131090, 157308, 196635, 262180, 301507, 393270, 603014, 786540, 904521, 1206028, 1507535, 1809042, 3015070, 3618084, 4522605, 6030140, 9045210, 18090420]

約数ペア:

[(1, 18090420), (2, 9045210), (3, 6030140), (4, 4522605), (5, 3618084), (6, 3015070), (10, 1809042), (12, 1507535), (15, 1206028), (20, 904521), (23, 786540), (30, 603014), (46, 393270), (60, 301507), (69, 262180), (92, 196635), (115, 157308), (138, 131090), (230, 78654), (276, 65545), (345, 52436), (460, 39327), (690, 26218), (1380, 13109)]