18863075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 11135005

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 239, 275, 287, 385, 451, 1025, 1195, 1435, 1673, 1925, 2255, 2629, 3157, 5975, 7175, 8365, 9799, 11275, 13145, 15785, 18403, 41825, 48995, 65725, 68593, 78925, 92015, 107789, 244975, 342965, 460075, 538945, 754523, 1714825, 2694725, 3772615, 18863075]

約数ペア:

[(1, 18863075), (5, 3772615), (7, 2694725), (11, 1714825), (25, 754523), (35, 538945), (41, 460075), (55, 342965), (77, 244975), (175, 107789), (205, 92015), (239, 78925), (275, 68593), (287, 65725), (385, 48995), (451, 41825), (1025, 18403), (1195, 15785), (1435, 13145), (1673, 11275), (1925, 9799), (2255, 8365), (2629, 7175), (3157, 5975)]