18717374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 33421248

約数和(自身を除く): 14703874

約数列:

[1, 2, 13, 17, 26, 34, 47, 53, 94, 106, 221, 289, 442, 578, 611, 689, 799, 901, 1222, 1378, 1598, 1802, 2491, 3757, 4982, 7514, 10387, 11713, 13583, 15317, 20774, 23426, 27166, 30634, 32383, 42347, 64766, 84694, 176579, 199121, 353158, 398242, 550511, 719899, 1101022, 1439798, 9358687, 18717374]

約数ペア:

[(1, 18717374), (2, 9358687), (13, 1439798), (17, 1101022), (26, 719899), (34, 550511), (47, 398242), (53, 353158), (94, 199121), (106, 176579), (221, 84694), (289, 64766), (442, 42347), (578, 32383), (611, 30634), (689, 27166), (799, 23426), (901, 20774), (1222, 15317), (1378, 13583), (1598, 11713), (1802, 10387), (2491, 7514), (3757, 4982)]