18348218

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 33005568

約数和(自身を除く): 14657350

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 434, 469, 631, 938, 1262, 2077, 4154, 4417, 8834, 14539, 19561, 29078, 39122, 42277, 84554, 136927, 273854, 295939, 591878, 1310587, 2621174, 9174109, 18348218]

約数ペア:

[(1, 18348218), (2, 9174109), (7, 2621174), (14, 1310587), (31, 591878), (62, 295939), (67, 273854), (134, 136927), (217, 84554), (434, 42277), (469, 39122), (631, 29078), (938, 19561), (1262, 14539), (2077, 8834), (4154, 4417)]