19760247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3004

約数の個数: 32

約数和(自身を含む): 33196800

約数和(自身を除く): 13436553

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2963, 6669, 8889, 26667, 38519, 56297, 80001, 115557, 168891, 346671, 506673, 731861, 1040013, 1520019, 2195583, 6586749, 19760247]

約数ペア:

[(1, 19760247), (3, 6586749), (9, 2195583), (13, 1520019), (19, 1040013), (27, 731861), (39, 506673), (57, 346671), (117, 168891), (171, 115557), (247, 80001), (351, 56297), (513, 38519), (741, 26667), (2223, 8889), (2963, 6669)]