18804780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104471}}^1$

素因数の和:104486

約数の個数: 36

約数和(自身を含む): 57041712

約数和(自身を除く): 38236932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104471, 208942, 313413, 417884, 522355, 626826, 940239, 1044710, 1253652, 1567065, 1880478, 2089420, 3134130, 3760956, 4701195, 6268260, 9402390, 18804780]

約数ペア:

[(1, 18804780), (2, 9402390), (3, 6268260), (4, 4701195), (5, 3760956), (6, 3134130), (9, 2089420), (10, 1880478), (12, 1567065), (15, 1253652), (18, 1044710), (20, 940239), (30, 626826), (36, 522355), (45, 417884), (60, 313413), (90, 208942), (180, 104471)]