19890216

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12011}}^1$

素因数の和:12046

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 36325944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12011, 24022, 36033, 48044, 72066, 96088, 108099, 144132, 216198, 276253, 288264, 432396, 552506, 828759, 864792, 1105012, 1657518, 2210024, 2486277, 3315036, 4972554, 6630072, 9945108, 19890216]

約数ペア:

[(1, 19890216), (2, 9945108), (3, 6630072), (4, 4972554), (6, 3315036), (8, 2486277), (9, 2210024), (12, 1657518), (18, 1105012), (23, 864792), (24, 828759), (36, 552506), (46, 432396), (69, 288264), (72, 276253), (92, 216198), (138, 144132), (184, 108099), (207, 96088), (276, 72066), (414, 48044), (552, 36033), (828, 24022), (1656, 12011)]