18740930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144161}}^1$

素因数の和:144181

約数の個数: 16

約数和(自身を含む): 36328824

約数和(自身を除く): 17587894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144161, 288322, 720805, 1441610, 1874093, 3748186, 9370465, 18740930]

約数ペア:

[(1, 18740930), (2, 9370465), (5, 3748186), (10, 1874093), (13, 1441610), (26, 720805), (65, 288322), (130, 144161)]