18668480

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 56

約数和(自身を含む): 44823888

約数和(自身を除く): 26155408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 257, 320, 454, 514, 908, 1028, 1135, 1285, 1816, 2056, 2270, 2570, 3632, 4112, 4540, 5140, 7264, 8224, 9080, 10280, 14528, 16448, 18160, 20560, 36320, 41120, 58339, 72640, 82240, 116678, 233356, 291695, 466712, 583390, 933424, 1166780, 1866848, 2333560, 3733696, 4667120, 9334240, 18668480]

約数ペア:

[(1, 18668480), (2, 9334240), (4, 4667120), (5, 3733696), (8, 2333560), (10, 1866848), (16, 1166780), (20, 933424), (32, 583390), (40, 466712), (64, 291695), (80, 233356), (160, 116678), (227, 82240), (257, 72640), (320, 58339), (454, 41120), (514, 36320), (908, 20560), (1028, 18160), (1135, 16448), (1285, 14528), (1816, 10280), (2056, 9080), (2270, 8224), (2570, 7264), (3632, 5140), (4112, 4540)]