19824464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 42503232

約数和(自身を除く): 22678768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1543, 1606, 3086, 3212, 6172, 6424, 12344, 12848, 16973, 24688, 33946, 67892, 112639, 135784, 225278, 271568, 450556, 901112, 1239029, 1802224, 2478058, 4956116, 9912232, 19824464]

約数ペア:

[(1, 19824464), (2, 9912232), (4, 4956116), (8, 2478058), (11, 1802224), (16, 1239029), (22, 901112), (44, 450556), (73, 271568), (88, 225278), (146, 135784), (176, 112639), (292, 67892), (584, 33946), (803, 24688), (1168, 16973), (1543, 12848), (1606, 12344), (3086, 6424), (3212, 6172)]