1878311930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{21107}}^1$

素因数の和:21934

約数の個数: 32

約数和(自身を含む): 3693055680

約数和(自身を除く): 1814743750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 809, 1618, 4045, 8090, 8899, 17798, 21107, 42214, 44495, 88990, 105535, 211070, 232177, 464354, 1160885, 2321770, 17075563, 34151126, 85377815, 170755630, 187831193, 375662386, 939155965, 1878311930]

約数ペア:

[(1, 1878311930), (2, 939155965), (5, 375662386), (10, 187831193), (11, 170755630), (22, 85377815), (55, 34151126), (110, 17075563), (809, 2321770), (1618, 1160885), (4045, 464354), (8090, 232177), (8899, 211070), (17798, 105535), (21107, 88990), (42214, 44495)]