19260820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7583}}^1$

素因数の和:7719

約数の個数: 24

約数和(自身を含む): 40771584

約数和(自身を除く): 21510764

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7583, 15166, 30332, 37915, 75830, 151660, 963041, 1926082, 3852164, 4815205, 9630410, 19260820]

約数ペア:

[(1, 19260820), (2, 9630410), (4, 4815205), (5, 3852164), (10, 1926082), (20, 963041), (127, 151660), (254, 75830), (508, 37915), (635, 30332), (1270, 15166), (2540, 7583)]