18838142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 12659842

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 293, 527, 586, 1037, 1054, 1891, 2074, 3782, 4981, 9083, 9962, 17873, 18166, 32147, 35746, 64294, 154411, 303841, 308822, 554063, 607682, 1108126, 9419071, 18838142]

約数ペア:

[(1, 18838142), (2, 9419071), (17, 1108126), (31, 607682), (34, 554063), (61, 308822), (62, 303841), (122, 154411), (293, 64294), (527, 35746), (586, 32147), (1037, 18166), (1054, 17873), (1891, 9962), (2074, 9083), (3782, 4981)]