18642180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 33914940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 1979, 2355, 3140, 3958, 4710, 5937, 7916, 9420, 9895, 11874, 19790, 23748, 29685, 39580, 59370, 118740, 310703, 621406, 932109, 1242812, 1553515, 1864218, 3107030, 3728436, 4660545, 6214060, 9321090, 18642180]

約数ペア:

[(1, 18642180), (2, 9321090), (3, 6214060), (4, 4660545), (5, 3728436), (6, 3107030), (10, 1864218), (12, 1553515), (15, 1242812), (20, 932109), (30, 621406), (60, 310703), (157, 118740), (314, 59370), (471, 39580), (628, 29685), (785, 23748), (942, 19790), (1570, 11874), (1884, 9895), (1979, 9420), (2355, 7916), (3140, 5937), (3958, 4710)]