18709196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18546484

約数列:

[1, 2, 4, 11, 22, 44, 47, 83, 94, 109, 166, 188, 218, 332, 436, 517, 913, 1034, 1199, 1826, 2068, 2398, 3652, 3901, 4796, 5123, 7802, 9047, 10246, 15604, 18094, 20492, 36188, 42911, 56353, 85822, 99517, 112706, 171644, 199034, 225412, 398068, 425209, 850418, 1700836, 4677299, 9354598, 18709196]

約数ペア:

[(1, 18709196), (2, 9354598), (4, 4677299), (11, 1700836), (22, 850418), (44, 425209), (47, 398068), (83, 225412), (94, 199034), (109, 171644), (166, 112706), (188, 99517), (218, 85822), (332, 56353), (436, 42911), (517, 36188), (913, 20492), (1034, 18094), (1199, 15604), (1826, 10246), (2068, 9047), (2398, 7802), (3652, 5123), (3901, 4796)]