18888941673

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1\times {\mathrm{4057}}^1$

素因数の和:4614

約数の個数: 48

約数和(自身を含む): 31419438336

約数和(自身を除く): 12530496663

約数列:

[1, 3, 7, 9, 21, 63, 263, 281, 789, 843, 1841, 1967, 2367, 2529, 4057, 5523, 5901, 12171, 16569, 17703, 28399, 36513, 73903, 85197, 221709, 255591, 517321, 665127, 1066991, 1140017, 1551963, 3200973, 3420051, 4655889, 7468937, 7980119, 9602919, 10260153, 22406811, 23940357, 67220433, 71821071, 299824471, 899473413, 2098771297, 2698420239, 6296313891, 18888941673]

約数ペア:

[(1, 18888941673), (3, 6296313891), (7, 2698420239), (9, 2098771297), (21, 899473413), (63, 299824471), (263, 71821071), (281, 67220433), (789, 23940357), (843, 22406811), (1841, 10260153), (1967, 9602919), (2367, 7980119), (2529, 7468937), (4057, 4655889), (5523, 3420051), (5901, 3200973), (12171, 1551963), (16569, 1140017), (17703, 1066991), (28399, 665127), (36513, 517321), (73903, 255591), (85197, 221709)]