19936966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 16304954

約数列:

[1, 2, 7, 14, 19, 38, 133, 241, 266, 311, 482, 622, 1687, 2177, 3374, 4354, 4579, 5909, 9158, 11818, 32053, 41363, 64106, 74951, 82726, 149902, 524657, 1049314, 1424069, 2848138, 9968483, 19936966]

約数ペア:

[(1, 19936966), (2, 9968483), (7, 2848138), (14, 1424069), (19, 1049314), (38, 524657), (133, 149902), (241, 82726), (266, 74951), (311, 64106), (482, 41363), (622, 32053), (1687, 11818), (2177, 9158), (3374, 5909), (4354, 4579)]