19456936

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 37600200

約数和(自身を除く): 18143264

約数列:

[1, 2, 4, 8, 53, 106, 109, 212, 218, 421, 424, 436, 842, 872, 1684, 3368, 5777, 11554, 22313, 23108, 44626, 45889, 46216, 89252, 91778, 178504, 183556, 367112, 2432117, 4864234, 9728468, 19456936]

約数ペア:

[(1, 19456936), (2, 9728468), (4, 4864234), (8, 2432117), (53, 367112), (106, 183556), (109, 178504), (212, 91778), (218, 89252), (421, 46216), (424, 45889), (436, 44626), (842, 23108), (872, 22313), (1684, 11554), (3368, 5777)]