18902330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 16141510

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 337, 355, 395, 674, 710, 790, 1685, 3370, 5609, 11218, 23927, 26623, 28045, 47854, 53246, 56090, 119635, 133115, 239270, 266230, 1890233, 3780466, 9451165, 18902330]

約数ペア:

[(1, 18902330), (2, 9451165), (5, 3780466), (10, 1890233), (71, 266230), (79, 239270), (142, 133115), (158, 119635), (337, 56090), (355, 53246), (395, 47854), (674, 28045), (710, 26623), (790, 23927), (1685, 11218), (3370, 5609)]