18925928

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8243}}^1$

素因数の和:8297

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 22623832

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8243, 16486, 32972, 57701, 65944, 115402, 230804, 337963, 461608, 675926, 1351852, 2365741, 2703704, 4731482, 9462964, 18925928]

約数ペア:

[(1, 18925928), (2, 9462964), (4, 4731482), (7, 2703704), (8, 2365741), (14, 1351852), (28, 675926), (41, 461608), (56, 337963), (82, 230804), (164, 115402), (287, 65944), (328, 57701), (574, 32972), (1148, 16486), (2296, 8243)]