19008522991

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 20238704640

約数和(自身を除く): 1230181649

約数列:

[1, 31, 61, 137, 239, 307, 1891, 4247, 7409, 8357, 9517, 14579, 18727, 32743, 42059, 73373, 259067, 451949, 580537, 1015033, 1303829, 1997323, 2274563, 2565599, 4475753, 10052101, 61917013, 79533569, 138748343, 311615131, 613178161, 19008522991]

約数ペア:

[(1, 19008522991), (31, 613178161), (61, 311615131), (137, 138748343), (239, 79533569), (307, 61917013), (1891, 10052101), (4247, 4475753), (7409, 2565599), (8357, 2274563), (9517, 1997323), (14579, 1303829), (18727, 1015033), (32743, 580537), (42059, 451949), (73373, 259067)]