19260296

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 40291020

約数和(自身を除く): 21030724

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 197, 202, 242, 394, 404, 484, 788, 808, 968, 1111, 1576, 2167, 2222, 4334, 4444, 8668, 8888, 12221, 17336, 19897, 23837, 24442, 39794, 47674, 48884, 79588, 95348, 97768, 159176, 190696, 218867, 437734, 875468, 1750936, 2407537, 4815074, 9630148, 19260296]

約数ペア:

[(1, 19260296), (2, 9630148), (4, 4815074), (8, 2407537), (11, 1750936), (22, 875468), (44, 437734), (88, 218867), (101, 190696), (121, 159176), (197, 97768), (202, 95348), (242, 79588), (394, 48884), (404, 47674), (484, 39794), (788, 24442), (808, 23837), (968, 19897), (1111, 17336), (1576, 12221), (2167, 8888), (2222, 8668), (4334, 4444)]