19998161721

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1801}}^1\times {\mathrm{39799}}^1$

素因数の和:41637

約数の個数: 24

約数和(自身を含む): 29835353600

約数和(自身を除く): 9837191879

約数列:

[1, 3, 9, 31, 93, 279, 1801, 5403, 16209, 39799, 55831, 119397, 167493, 358191, 502479, 1233769, 3701307, 11103921, 71677999, 215033997, 645101991, 2222017969, 6666053907, 19998161721]

約数ペア:

[(1, 19998161721), (3, 6666053907), (9, 2222017969), (31, 645101991), (93, 215033997), (279, 71677999), (1801, 11103921), (5403, 3701307), (16209, 1233769), (39799, 502479), (55831, 358191), (119397, 167493)]