18885230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20753}}^1$

素因数の和:20780

約数の個数: 32

約数和(自身を含む): 41840064

約数和(自身を除く): 22954834

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20753, 41506, 103765, 145271, 207530, 269789, 290542, 539578, 726355, 1348945, 1452710, 1888523, 2697890, 3777046, 9442615, 18885230]

約数ペア:

[(1, 18885230), (2, 9442615), (5, 3777046), (7, 2697890), (10, 1888523), (13, 1452710), (14, 1348945), (26, 726355), (35, 539578), (65, 290542), (70, 269789), (91, 207530), (130, 145271), (182, 103765), (455, 41506), (910, 20753)]