19200111

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 30566400

約数和(自身を除く): 11366289

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 397, 987, 1029, 1191, 2303, 2779, 6909, 8337, 16121, 18659, 19453, 48363, 55977, 58359, 130613, 136171, 391839, 408513, 914291, 2742873, 6400037, 19200111]

約数ペア:

[(1, 19200111), (3, 6400037), (7, 2742873), (21, 914291), (47, 408513), (49, 391839), (141, 136171), (147, 130613), (329, 58359), (343, 55977), (397, 48363), (987, 19453), (1029, 18659), (1191, 16121), (2303, 8337), (2779, 6909)]