1898191010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{20021}}^1$

素因数の和:20546

約数の個数: 32

約数和(自身を含む): 3603960000

約数和(自身を除く): 1705768990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 499, 998, 2495, 4990, 9481, 18962, 20021, 40042, 47405, 94810, 100105, 200210, 380399, 760798, 1901995, 3803990, 9990479, 19980958, 49952395, 99904790, 189819101, 379638202, 949095505, 1898191010]

約数ペア:

[(1, 1898191010), (2, 949095505), (5, 379638202), (10, 189819101), (19, 99904790), (38, 49952395), (95, 19980958), (190, 9990479), (499, 3803990), (998, 1901995), (2495, 760798), (4990, 380399), (9481, 200210), (18962, 100105), (20021, 94810), (40042, 47405)]