18427048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 39346560

約数和(自身を除く): 20919512

約数列:

[1, 2, 4, 8, 17, 23, 34, 43, 46, 68, 86, 92, 136, 137, 172, 184, 274, 344, 391, 548, 731, 782, 989, 1096, 1462, 1564, 1978, 2329, 2924, 3128, 3151, 3956, 4658, 5848, 5891, 6302, 7912, 9316, 11782, 12604, 16813, 18632, 23564, 25208, 33626, 47128, 53567, 67252, 100147, 107134, 134504, 135493, 200294, 214268, 270986, 400588, 428536, 541972, 801176, 1083944, 2303381, 4606762, 9213524, 18427048]

約数ペア:

[(1, 18427048), (2, 9213524), (4, 4606762), (8, 2303381), (17, 1083944), (23, 801176), (34, 541972), (43, 428536), (46, 400588), (68, 270986), (86, 214268), (92, 200294), (136, 135493), (137, 134504), (172, 107134), (184, 100147), (274, 67252), (344, 53567), (391, 47128), (548, 33626), (731, 25208), (782, 23564), (989, 18632), (1096, 16813), (1462, 12604), (1564, 11782), (1978, 9316), (2329, 7912), (2924, 6302), (3128, 5891), (3151, 5848), (3956, 4658)]