18039928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 34810560

約数和(自身を除く): 16770632

約数列:

[1, 2, 4, 8, 53, 106, 157, 212, 271, 314, 424, 542, 628, 1084, 1256, 2168, 8321, 14363, 16642, 28726, 33284, 42547, 57452, 66568, 85094, 114904, 170188, 340376, 2254991, 4509982, 9019964, 18039928]

約数ペア:

[(1, 18039928), (2, 9019964), (4, 4509982), (8, 2254991), (53, 340376), (106, 170188), (157, 114904), (212, 85094), (271, 66568), (314, 57452), (424, 42547), (542, 33284), (628, 28726), (1084, 16642), (1256, 14363), (2168, 8321)]