18645825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 15476991

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 97, 165, 233, 275, 291, 485, 699, 825, 1067, 1165, 1455, 2425, 2563, 3201, 3495, 5335, 5825, 7275, 7689, 12815, 16005, 17475, 22601, 26675, 38445, 64075, 67803, 80025, 113005, 192225, 248611, 339015, 565025, 745833, 1243055, 1695075, 3729165, 6215275, 18645825]

約数ペア:

[(1, 18645825), (3, 6215275), (5, 3729165), (11, 1695075), (15, 1243055), (25, 745833), (33, 565025), (55, 339015), (75, 248611), (97, 192225), (165, 113005), (233, 80025), (275, 67803), (291, 64075), (485, 38445), (699, 26675), (825, 22601), (1067, 17475), (1165, 16005), (1455, 12815), (2425, 7689), (2563, 7275), (3201, 5825), (3495, 5335)]