17974473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 9397047

約数列:

[1, 3, 11, 33, 43, 53, 129, 159, 239, 473, 583, 717, 1419, 1749, 2279, 2629, 6837, 7887, 10277, 12667, 25069, 30831, 38001, 75207, 113047, 139337, 339141, 418011, 544681, 1634043, 5991491, 17974473]

約数ペア:

[(1, 17974473), (3, 5991491), (11, 1634043), (33, 544681), (43, 418011), (53, 339141), (129, 139337), (159, 113047), (239, 75207), (473, 38001), (583, 30831), (717, 25069), (1419, 12667), (1749, 10277), (2279, 7887), (2629, 6837)]