19780782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20477}}^1$

素因数の和:20512

約数の個数: 32

約数和(自身を含む): 47181312

約数和(自身を除く): 27400530

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 20477, 40954, 61431, 122862, 143339, 286678, 430017, 470971, 860034, 941942, 1412913, 2825826, 3296797, 6593594, 9890391, 19780782]

約数ペア:

[(1, 19780782), (2, 9890391), (3, 6593594), (6, 3296797), (7, 2825826), (14, 1412913), (21, 941942), (23, 860034), (42, 470971), (46, 430017), (69, 286678), (138, 143339), (161, 122862), (322, 61431), (483, 40954), (966, 20477)]