16918341

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 26234880

約数和(自身を除く): 9316539

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 223, 363, 627, 669, 1331, 2299, 2453, 3993, 4237, 6897, 7359, 12711, 25289, 26983, 46607, 75867, 80949, 139821, 296813, 512677, 890439, 1538031, 5639447, 16918341]

約数ペア:

[(1, 16918341), (3, 5639447), (11, 1538031), (19, 890439), (33, 512677), (57, 296813), (121, 139821), (209, 80949), (223, 75867), (363, 46607), (627, 26983), (669, 25289), (1331, 12711), (2299, 7359), (2453, 6897), (3993, 4237)]