18983487

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9010113

約数列:

[1, 3, 23, 29, 53, 69, 87, 159, 179, 537, 667, 1219, 1537, 2001, 3657, 4117, 4611, 5191, 9487, 12351, 15573, 28461, 35351, 106053, 119393, 218201, 275123, 358179, 654603, 825369, 6327829, 18983487]

約数ペア:

[(1, 18983487), (3, 6327829), (23, 825369), (29, 654603), (53, 358179), (69, 275123), (87, 218201), (159, 119393), (179, 106053), (537, 35351), (667, 28461), (1219, 15573), (1537, 12351), (2001, 9487), (3657, 5191), (4117, 4611)]