20181284709

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{3011}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 27565824000

約数和(自身を除く): 7384539291

約数列:

[1, 3, 103, 109, 199, 309, 327, 597, 3011, 9033, 11227, 20497, 21691, 33681, 61491, 65073, 310133, 328199, 599189, 930399, 984597, 1797567, 2234173, 6702519, 33804497, 61716467, 65311601, 101413491, 185149401, 195934803, 6727094903, 20181284709]

約数ペア:

[(1, 20181284709), (3, 6727094903), (103, 195934803), (109, 185149401), (199, 101413491), (309, 65311601), (327, 61716467), (597, 33804497), (3011, 6702519), (9033, 2234173), (11227, 1797567), (20497, 984597), (21691, 930399), (33681, 599189), (61491, 328199), (65073, 310133)]