18857234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 32788800

約数和(自身を除く): 13931566

約数列:

[1, 2, 11, 19, 22, 38, 197, 209, 229, 394, 418, 458, 2167, 2519, 3743, 4334, 4351, 5038, 7486, 8702, 41173, 45113, 47861, 82346, 90226, 95722, 496243, 857147, 992486, 1714294, 9428617, 18857234]

約数ペア:

[(1, 18857234), (2, 9428617), (11, 1714294), (19, 992486), (22, 857147), (38, 496243), (197, 95722), (209, 90226), (229, 82346), (394, 47861), (418, 45113), (458, 41173), (2167, 8702), (2519, 7486), (3743, 5038), (4334, 4351)]