18702999035

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1\times {\mathrm{4201}}^1$

素因数の和:5315

約数の個数: 32

約数和(自身を含む): 25878403584

約数和(自身を除く): 7175404549

約数列:

[1, 5, 7, 35, 131, 655, 917, 971, 4201, 4585, 4855, 6797, 21005, 29407, 33985, 127201, 147035, 550331, 636005, 890407, 2751655, 3852317, 4079171, 4452035, 19261585, 20395855, 28554197, 142770985, 534371401, 2671857005, 3740599807, 18702999035]

約数ペア:

[(1, 18702999035), (5, 3740599807), (7, 2671857005), (35, 534371401), (131, 142770985), (655, 28554197), (917, 20395855), (971, 19261585), (4201, 4452035), (4585, 4079171), (4855, 3852317), (6797, 2751655), (21005, 890407), (29407, 636005), (33985, 550331), (127201, 147035)]