18702940107

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{27103}}^1$

素因数の和:27339

約数の個数: 32

約数和(自身を含む): 26571460608

約数和(自身を除く): 7868520501

約数列:

[1, 3, 23, 69, 73, 137, 219, 411, 1679, 3151, 5037, 9453, 10001, 27103, 30003, 81309, 230023, 623369, 690069, 1870107, 1978519, 3713111, 5935557, 11139333, 45505937, 85401553, 136517811, 256204659, 271057103, 813171309, 6234313369, 18702940107]

約数ペア:

[(1, 18702940107), (3, 6234313369), (23, 813171309), (69, 271057103), (73, 256204659), (137, 136517811), (219, 85401553), (411, 45505937), (1679, 11139333), (3151, 5935557), (5037, 3713111), (9453, 1978519), (10001, 1870107), (27103, 690069), (30003, 623369), (81309, 230023)]