19916793

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 12137607

約数列:

[1, 3, 9, 13, 27, 39, 117, 179, 317, 351, 537, 951, 1611, 2327, 2853, 4121, 4833, 6981, 8559, 12363, 20943, 37089, 56743, 62829, 111267, 170229, 510687, 737659, 1532061, 2212977, 6638931, 19916793]

約数ペア:

[(1, 19916793), (3, 6638931), (9, 2212977), (13, 1532061), (27, 737659), (39, 510687), (117, 170229), (179, 111267), (317, 62829), (351, 56743), (537, 37089), (951, 20943), (1611, 12363), (2327, 8559), (2853, 6981), (4121, 4833)]