2019938230

素因数分解:

$2^1\times 5^1\times {\mathrm{20389}}^1\times {\mathrm{9907}}^1$

素因数の和:30303

約数の個数: 16

約数和(自身を含む): 3636434160

約数和(自身を除く): 1616495930

約数列:

[1, 2, 5, 10, 9907, 19814, 20389, 40778, 49535, 99070, 101945, 203890, 201993823, 403987646, 1009969115, 2019938230]

約数ペア:

[(1, 2019938230), (2, 1009969115), (5, 403987646), (10, 201993823), (9907, 203890), (19814, 101945), (20389, 99070), (40778, 49535)]