18606128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 37403856

約数和(自身を除く): 18797728

約数列:

[1, 2, 4, 8, 16, 41, 82, 113, 164, 226, 251, 328, 452, 502, 656, 904, 1004, 1808, 2008, 4016, 4633, 9266, 10291, 18532, 20582, 28363, 37064, 41164, 56726, 74128, 82328, 113452, 164656, 226904, 453808, 1162883, 2325766, 4651532, 9303064, 18606128]

約数ペア:

[(1, 18606128), (2, 9303064), (4, 4651532), (8, 2325766), (16, 1162883), (41, 453808), (82, 226904), (113, 164656), (164, 113452), (226, 82328), (251, 74128), (328, 56726), (452, 41164), (502, 37064), (656, 28363), (904, 20582), (1004, 18532), (1808, 10291), (2008, 9266), (4016, 4633)]