19991470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 37526976

約数和(自身を除く): 17535506

約数列:

[1, 2, 5, 10, 37, 71, 74, 142, 185, 355, 370, 710, 761, 1522, 2627, 3805, 5254, 7610, 13135, 26270, 28157, 54031, 56314, 108062, 140785, 270155, 281570, 540310, 1999147, 3998294, 9995735, 19991470]

約数ペア:

[(1, 19991470), (2, 9995735), (5, 3998294), (10, 1999147), (37, 540310), (71, 281570), (74, 270155), (142, 140785), (185, 108062), (355, 56314), (370, 54031), (710, 28157), (761, 26270), (1522, 13135), (2627, 7610), (3805, 5254)]