20619138

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 42736320

約数和(自身を除く): 22117182

約数列:

[1, 2, 3, 6, 37, 74, 111, 131, 222, 262, 393, 709, 786, 1418, 2127, 4254, 4847, 9694, 14541, 26233, 29082, 52466, 78699, 92879, 157398, 185758, 278637, 557274, 3436523, 6873046, 10309569, 20619138]

約数ペア:

[(1, 20619138), (2, 10309569), (3, 6873046), (6, 3436523), (37, 557274), (74, 278637), (111, 185758), (131, 157398), (222, 92879), (262, 78699), (393, 52466), (709, 29082), (786, 26233), (1418, 14541), (2127, 9694), (4254, 4847)]