18521601

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 30425088

約数和(自身を除く): 11903487

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1237, 2139, 3711, 4991, 8659, 14973, 25977, 28451, 38347, 85353, 115041, 199157, 268429, 597471, 805287, 881981, 2645943, 6173867, 18521601]

約数ペア:

[(1, 18521601), (3, 6173867), (7, 2645943), (21, 881981), (23, 805287), (31, 597471), (69, 268429), (93, 199157), (161, 115041), (217, 85353), (483, 38347), (651, 28451), (713, 25977), (1237, 14973), (2139, 8659), (3711, 4991)]